CI: Restrict GitHub Releases to GHC 8.10.3

Author: maoe

.github/workflows/ci.yml

@@ -88,7 +88,7 @@ jobs:
         uses: softprops/action-gh-release@v1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        if: startsWith(github.ref, 'refs/tags/')
+        if: ${{ startsWith(github.ref, 'refs/tags/') && matrix.ghc == '8.10.3' }}
         with:
           files: threadscope.${{ matrix.os }}.ghc-${{ matrix.ghc }}.gz
           draft: false
@@ -145,7 +145,7 @@ jobs:
         uses: softprops/action-gh-release@v1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        if: startsWith(github.ref, 'refs/tags/')
+        if: ${{ startsWith(github.ref, 'refs/tags/') && matrix.ghc == '8.10.3' }}
         with:
           files: threadscope.${{ matrix.os }}.ghc-${{ matrix.ghc }}.zip
           draft: false