minor #747 [Chore] Updating lock dependencies (weaverryan)

This PR was squashed before being merged into the master branch.

Discussion
----------

[Chore] Updating lock dependencies

This doesn't affect end-users. I'm doing this mostly to isolate what test "hash" changes are unique to Vue 3 in #746 and which are just from upgrading dependencies.

Commits
-------

03bbd97 removing node_modules cache on appveyor
2020aae bumping to 7.7.0 babel/core to support babel.config.json
bf7d18d forcing lock file on appveyor
e3deda8 updating test hashes after dependency update
f87806a updating dependencies

Author: weaverryan

.appveyor.yml

@@ -1,5 +1,5 @@
 cache:
-  - node_modules
+#  - node_modules
   - "%LOCALAPPDATA%\\Yarn"
 
 environment:
@@ -11,11 +11,11 @@ platform:
 
 install:
   - ps: Install-Product node $env:nodejs_version $env:platform
-  - yarn
+  - 'yarn --frozen-lockfile'
 
 test_script:
   - node --version
   - yarn --version
   - yarn run test
 
-build: off
+build: off

package.json

@@ -25,7 +25,7 @@
   },
   "homepage": "https://github.com/symfony/webpack-encore",
   "dependencies": {
-    "@babel/core": "^7.4.0",
+    "@babel/core": "^7.7.0",
     "@babel/plugin-syntax-dynamic-import": "^7.0.0",
     "@babel/preset-env": "^7.4.0",
     "assets-webpack-plugin": "^3.9.7",

test/functional.js

@@ -2302,16 +2302,16 @@ module.exports = {
                         expect(config.outputPath).to.be.a.directory()
                             .with.files([
                                 'entrypoints.json',
-                                'runtime.e9dea5e6.js',
-                                'main.00415522.js',
+                                'runtime.518d4a5c.js',
+                                'main.78f7d83e.js',
                                 'manifest.json',
                                 'symfony_logo.91beba37.png',
                                 'symfony_logo_alt.f880ba14.png',
                             ]);
 
                         webpackAssert.assertManifestPath(
                             'build/main.js',
-                            '/build/main.00415522.js'
+                            '/build/main.78f7d83e.js'
                         );
                     }