Fix Shakapacker gem/npm version mismatch in Pro package

Update shakapacker gem from 9.3.0 to 9.4.0 to match npm package version.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: justin808

react_on_rails_pro/Gemfile.development_dependencies

@@ -7,7 +7,7 @@ ruby '3.3.7'
 
 gem "react_on_rails", path: "../"
 
-gem "shakapacker", "9.3.0"
+gem "shakapacker", "9.4.0"
 gem "bootsnap", require: false
 gem "rails", "~> 7.1"
 gem "puma", "~> 6"

react_on_rails_pro/spec/dummy/Gemfile.lock

@@ -115,9 +115,9 @@ GEM
       io-event (~> 1.11)
       metrics (~> 0.12)
       traces (~> 0.18)
-    base64 (0.2.0)
-    benchmark (0.4.0)
-    bigdecimal (3.1.9)
+    base64 (0.3.0)
+    benchmark (0.5.0)
+    bigdecimal (3.3.1)
     bindex (0.8.1)
     bootsnap (1.18.3)
       msgpack (~> 1.2)
@@ -138,7 +138,7 @@ GEM
     childprocess (5.0.0)
     coderay (1.1.3)
     concurrent-ruby (1.3.5)
-    connection_pool (2.5.0)
+    connection_pool (2.5.5)
     console (1.34.2)
       fiber-annotation
       fiber-local (~> 1.1)
@@ -155,12 +155,13 @@ GEM
     crass (1.0.6)
     csso-rails (1.0.0)
       execjs (>= 1)
-    date (3.4.1)
+    date (3.5.0)
     diff-lcs (1.5.1)
     docile (1.4.0)
-    drb (2.2.1)
+    drb (2.2.3)
     equivalent-xml (0.6.0)
       nokogiri (>= 1.4.3)
+    erb (6.0.0)
     erubi (1.13.1)
     execjs (2.9.1)
     fakefs (2.8.0)
@@ -198,9 +199,9 @@ GEM
       http-2 (>= 1.0.0)
     i18n (1.14.7)
       concurrent-ruby (~> 1.0)
-    io-console (0.8.0)
+    io-console (0.8.1)
     io-event (1.14.2)
-    irb (1.15.1)
+    irb (1.15.3)
       pp (>= 0.6.0)
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
@@ -220,8 +221,8 @@ GEM
     listen (3.9.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
-    logger (1.6.6)
-    loofah (2.24.0)
+    logger (1.7.0)
+    loofah (2.24.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
     mail (2.8.1)
@@ -234,8 +235,8 @@ GEM
     method_source (1.1.0)
     metrics (0.15.0)
     mini_mime (1.1.5)
-    mini_portile2 (2.8.8)
-    minitest (5.25.4)
+    mini_portile2 (2.8.9)
+    minitest (5.26.2)
     mize (0.4.1)
       protocol (~> 2.0)
     msgpack (1.7.2)
@@ -251,32 +252,32 @@ GEM
     net-smtp (0.5.1)
       net-protocol
     nio4r (2.7.4)
-    nokogiri (1.18.8)
+    nokogiri (1.18.10)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    nokogiri (1.18.8-aarch64-linux-gnu)
+    nokogiri (1.18.10-aarch64-linux-gnu)
       racc (~> 1.4)
-    nokogiri (1.18.8-aarch64-linux-musl)
+    nokogiri (1.18.10-aarch64-linux-musl)
       racc (~> 1.4)
-    nokogiri (1.18.8-arm-linux-gnu)
+    nokogiri (1.18.10-arm-linux-gnu)
       racc (~> 1.4)
-    nokogiri (1.18.8-arm-linux-musl)
+    nokogiri (1.18.10-arm-linux-musl)
       racc (~> 1.4)
-    nokogiri (1.18.8-arm64-darwin)
+    nokogiri (1.18.10-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.18.8-x86_64-darwin)
+    nokogiri (1.18.10-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.18.8-x86_64-linux-gnu)
+    nokogiri (1.18.10-x86_64-linux-gnu)
       racc (~> 1.4)
-    nokogiri (1.18.8-x86_64-linux-musl)
+    nokogiri (1.18.10-x86_64-linux-musl)
       racc (~> 1.4)
     package_json (0.2.0)
     parallel (1.25.1)
     parser (3.3.3.0)
       ast (~> 2.4.1)
       racc
     pg (1.5.6)
-    pp (0.6.2)
+    pp (0.6.3)
       prettyprint
     prettyprint (0.2.0)
     prism-rails (1.5.0)
@@ -293,17 +294,17 @@ GEM
       pry (>= 0.13.0)
     pry-theme (1.3.1)
       coderay (~> 1.1)
-    psych (5.2.3)
+    psych (5.2.6)
       date
       stringio
     public_suffix (6.0.0)
     puma (6.5.0)
       nio4r (~> 2.0)
     racc (1.8.1)
-    rack (3.1.12)
+    rack (3.1.19)
     rack-proxy (0.7.7)
       rack
-    rack-session (2.1.0)
+    rack-session (2.1.1)
       base64 (>= 0.1.0)
       rack (>= 3.0.0)
     rack-test (2.2.0)
@@ -324,7 +325,7 @@ GEM
       activesupport (= 7.2.2.1)
       bundler (>= 1.15.0)
       railties (= 7.2.2.1)
-    rails-dom-testing (2.2.0)
+    rails-dom-testing (2.3.0)
       activesupport (>= 5.0.0)
       minitest
       nokogiri (>= 1.6)
@@ -340,20 +341,22 @@ GEM
       thor (~> 1.0, >= 1.2.2)
       zeitwerk (~> 2.6)
     rainbow (3.1.1)
-    rake (13.2.1)
+    rake (13.3.1)
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)
       ffi (~> 1.0)
     rbs (3.9.5)
       logger
-    rdoc (6.12.0)
+    rdoc (6.16.0)
+      erb
       psych (>= 4.0.0)
+      tsort
     redis (5.4.0)
       redis-client (>= 0.22.0)
     redis-client (0.24.0)
       connection_pool
     regexp_parser (2.9.2)
-    reline (0.6.0)
+    reline (0.6.3)
       io-console (~> 0.5)
     rexml (3.3.9)
     rspec-core (3.13.0)
@@ -423,7 +426,7 @@ GEM
       websocket (~> 1.0)
     semantic_range (3.1.0)
     sexp_processor (4.17.1)
-    shakapacker (9.3.0)
+    shakapacker (9.4.0)
       activesupport (>= 5.2)
       package_json
       rack-proxy (>= 0.6.1)
@@ -453,18 +456,19 @@ GEM
     sqlite3 (1.7.3-x86-linux)
     sqlite3 (1.7.3-x86_64-darwin)
     sqlite3 (1.7.3-x86_64-linux)
-    stringio (3.1.2)
+    stringio (3.1.8)
     sync (0.5.0)
     term-ansicolor (1.10.2)
       mize
       tins (~> 1.0)
-    thor (1.3.2)
+    thor (1.4.0)
     tilt (2.4.0)
     timeout (0.4.3)
     tins (1.33.0)
       bigdecimal
       sync
     traces (0.18.2)
+    tsort (0.2.0)
     turbolinks (5.2.1)
       turbolinks-source (~> 5.2)
     turbolinks-source (5.2.0)
@@ -496,7 +500,7 @@ GEM
     xpath (3.2.0)
       nokogiri (~> 1.8)
     yard (0.9.36)
-    zeitwerk (2.7.1)
+    zeitwerk (2.7.3)
 
 PLATFORMS
   aarch64-linux
@@ -557,7 +561,7 @@ DEPENDENCIES
   sass-rails
   scss_lint
   selenium-webdriver (= 4.9.0)
-  shakapacker (= 9.3.0)
+  shakapacker (= 9.4.0)
   spring
   spring-watcher-listen
   sprockets