Actions: Setup GHC's version

.github/workflows/build.yml

@@ -6,34 +6,26 @@ on:
 
 jobs:
   Build:
-    name: Build (GHC ${{ matrix.ghc-version }})
+    name: Build (LTS ${{ matrix.lts-version }})
     strategy:
       fail-fast: false
       matrix:
-        ghc-version: [
-          9.6.2,
-          9.6.1,
-          9.4.5,
-          9.4.4,
-          9.4.3,
-          9.4.2,
-          9.4.1,
-          9.2.7,
-          9.2.6,
-          9.2.5,
-          9.2.4,
-          9.2.3,
-          9.2.2,
-          9.2.1
+        lts-version: [
+          20.26,
+          20.24,
+          20.23,
+          20.21,
+          20.12,
+          20.11
         ]
     runs-on: ubuntu-20.04
     steps:
       - uses: actions/[email protected]
       - uses: ./.github/actions/install-stack
       - uses: ./.github/actions/cache
       - name: Compile Project
-        run: stack --compiler ghc-${{ matrix.ghc-version }} build
+        run: stack --resolver lts-${{ matrix.lts-version }} build
       # This is to check if the project has been compiled with the correct version of ghc-lib.
       # For example, if there is a mismatch, we would get something like "Unknown Constructor: Char" 
       - name: Check Basic Suggestion
-        run: stack run test/assets/invalid/expect-char.hs
+        run: stack --resolver lts-${{ matrix.lts-version }} run test/assets/invalid/expect-char.hs

.github/workflows/documentation.yml

@@ -15,7 +15,7 @@ jobs:
         uses: lewagon/[email protected]
         with:
           ref: ${{ github.ref }}
-          check-name: 'Build (GHC 9.2.6)'
+          check-name: 'Build (LTS 20.21)'
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           wait-interval: 30
       - uses: actions/[email protected]

.github/workflows/lint.yml

@@ -11,7 +11,7 @@ jobs:
         uses: lewagon/[email protected]
         with:
           ref: ${{ github.ref }}
-          check-name: 'Build (GHC 9.2.6)'
+          check-name: 'Build (LTS 20.21)'
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           wait-interval: 30
       - uses: actions/[email protected]

.github/workflows/unit-tests.yaml

@@ -11,7 +11,7 @@ jobs:
         uses: lewagon/[email protected]
         with:
           ref: ${{ github.ref }}
-          check-name: 'Build (GHC 9.2.6)'
+          check-name: 'Build (LTS 20.21)'
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           wait-interval: 30
       - uses: actions/[email protected]