Rename Hack samples to .hack extension (#4228)

Author: rzuckerm

.gitattributes

@@ -116,10 +116,6 @@ jobs:
       if: ${{ github.event_name == 'pull_request' }}
       run: rm -f ${{ matrix.paths-ignore }}
 
-    - name: Remove Hack if C++
-      if: ${{ matrix.language == 'cpp' }}
-      run: rm -rf archive/h/hack
-
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v3

.github/workflows/codeql-analysis.yml

@@ -1,5 +1,5 @@
 folder:
-  extension: ".hh"
+  extension: ".hack"
   naming: "hyphen"
 
 container: