Support ghc-9.14

[erikd]

If I add the following to the cabal.project file:

allow-newer:
  , *:base
  , *:template-haskell

and then update the dependencies:

diff --git a/tree-diff.cabal b/tree-diff.cabal
index 09f884c..3aa193e 100644
--- a/tree-diff.cabal
+++ b/tree-diff.cabal
@@ -88,25 +88,25 @@ library
 
   -- GHC boot libraries
   build-depends:
-    , base        >=4.5       && <4.21
+    , base        >=4.5       && <4.23
     , bytestring  ^>=0.9.2.1  || ^>=0.10.0.2 || ^>=0.11.0.0 || ^>=0.12.0.2
-    , containers  ^>=0.4.2.1  || ^>=0.5.0.0  || ^>=0.6.0.1  || ^>=0.7
+    , containers  ^>=0.4.2.1  || ^>=0.5.0.0  || ^>=0.6.0.1  || ^>=0.7       || ^>=0.8
     , deepseq     ^>=1.3.0.0  || ^>=1.4.0.0  || ^>=1.5.0.0
     , parsec      ^>=3.1.13.0
     , pretty      ^>=1.1.1.0
     , text        ^>=1.2.3.0  || ^>=2.0      || ^>=2.1
-    , time        ^>=1.4      || ^>=1.5.0.1  || ^>=1.6.0.1  || ^>=1.8.0.2  || ^>=1.9.3 || ^>=1.10 || ^>=1.11 || ^>=1.12 || ^>=1.13 || >
+    , time        ^>=1.4      || ^>=1.5.0.1  || ^>=1.6.0.1  || ^>=1.8.0.2  || ^>=1.9.3 || ^>=1.10 || ^>=1.11 || ^>=1.12 || ^>=1.13 || >
 
   build-depends:
     , aeson                 ^>=1.4.6.0    || ^>=1.5.6.0  || ^>=2.0.0.0 || ^>=2.1.0.0 || ^>=2.2.0.0
     , ansi-terminal         >=0.10        && <0.12       || ^>=1.0     || ^>=1.1
     , ansi-wl-pprint        ^>=0.6.8.2    || ^>=1.0.2
-    , base-compat           ^>=0.10.5     || ^>=0.11     || ^>=0.12    || ^>=0.13    || ^>=0.14
+    , base-compat           ^>=0.10.5     || ^>=0.11     || ^>=0.12    || ^>=0.13    || ^>=0.14    || ^>=0.15
     , bytestring-builder    ^>=0.10.8.2.0
-    , hashable              ^>=1.2.7.0    || ^>=1.3.0.0  || ^>=1.4.0.1
+    , hashable              ^>=1.2.7.0    || ^>=1.3.0.0  || ^>=1.4.0.1 || ^>=1.5
     , parsers               ^>=0.12.10
     , primitive             ^>=0.7.1.0    || ^>=0.8.0.0  || ^>=0.9.0.0
-    , QuickCheck            ^>=2.14.2     || ^>=2.15
+    , QuickCheck            ^>=2.14.2     || ^>=2.15     || ^>=2.16    || ^>=2.17
     , scientific            ^>=0.3.6.2
     , semialign             ^>=1.2.0.1    || ^>=1.3
     , strict                ^>=0.4.0.1    || ^>=0.5
@@ -178,7 +178,7 @@ test-suite tree-diff-test
   build-depends:
     , tasty             ^>=1.2     || ^>=1.3.1 || ^>=1.4.2 || ^>=1.5
     , tasty-golden      ^>=2.3.1.1
-    , tasty-quickcheck  ^>=0.10.1
+    , tasty-quickcheck  ^>=0.10.1  || ^>=0.11
     , trifecta          >=2        && <2.2
 
 benchmark tree-diff-bench
@@ -197,4 +197,4 @@ benchmark tree-diff-bench
   -- extra dependencies
   build-depends:
     , criterion  ^>=1.6.0.0
-    , Diff       ^>=0.4.0   || ^>=0.5
+    , Diff       ^>=0.4.0   || ^>=0.5   || ^>=1.0
~

then it builds with ghc-9.14.1 and passes all tests.