Fixed Syntax

.gitea/workflows/linux_arm64_docker.yaml

@@ -29,7 +29,7 @@ jobs:
       - name: Build version
         shell: bash
         run: |
-          COMMIT_COUNT=$(git rev-list $(git describe --tags --abbrev=0)..HEAD --count
+          COMMIT_COUNT=$(git rev-list $(git describe --tags --abbrev=0)..HEAD --count)
           echo "Commit Count: $COMMIT_COUNT"
           
       - name: Set .NET version variables