Fix CI: Add PCRE system dependencies for pcre-light package

Author: santolucito

.github/workflows/action.yml

@@ -12,6 +12,13 @@ jobs:
     needs: ormolu
     steps:
       - uses: actions/checkout@v4
+
+      # Install system dependencies
+      - name: Install system dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libpcre3 libpcre3-dev
+
       - uses: haskell-actions/setup@v2
         with:
           enable-stack: true