ci: Fix failing upload of .git dir

Author: codablock

.github/workflows/release.yml

@@ -71,11 +71,14 @@ jobs:
       - name: git gc
         run: |
           git gc
+      - name: rename .git
+        run: |
+          mv .git git-dir
       - uses: actions/upload-artifact@v4
         with:
           name: workdir-${{ matrix.pythonStandaloneVersion }} ${{ matrix.pythonVersion }}
           path: |
-            .git
+            git-dir
             build-num
 
   tests:
@@ -100,6 +103,9 @@ jobs:
       - uses: actions/download-artifact@v4
         with:
           name: workdir-${{ matrix.pythonStandaloneVersion }} ${{ matrix.pythonVersion }}
+      - name: rename .git back
+        run: |
+          mv git-dir .git
       - name: checkout tag
         shell: bash
         run: |