Bump upper bounds for GHC 9.12

Author: int-index

.github/workflows/ci.yml

@@ -13,17 +13,24 @@ jobs:
           - "8.4.4"
           - "8.6.5"
           - "8.8.4"
-          - "8.10.4"
-          - "9.0.1"
+          - "8.10.7"
+          - "9.0.2"
+          - "9.2.8"
+          - "9.4.8"
+          - "9.6.7"
+          - "9.8.4"
+          - "9.10.2"
+          - "9.12.2"
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-    - uses: haskell/actions/setup@v1
+    - uses: actions/checkout@v4
+    - uses: haskell-actions/setup@v2
       with:
         cabal-version: "3.4"
         ghc-version: ${{ matrix.ghc-version }}
     - name: Cache
-      uses: actions/cache@v1
+      uses: actions/cache@v4
+      id: cache-dot-cabal
       with:
         path: ~/.cabal
         key: ${{ runner.os }}-${{ matrix.ghc-version }}

shower.cabal

@@ -29,7 +29,7 @@ library
     Shower.Parser
     Shower.Class
   build-depends:
-    base >=4.10 && <4.21,
+    base >=4.10 && <4.22,
     megaparsec,
     pretty
   hs-source-dirs: lib