fix: install jq since Alpine lacks it

.gitea/workflows/update-readme.yaml

@@ -21,6 +21,11 @@ jobs:
 
       - name: Process Statistics and Update README
         run: |
+          if ! command -v jq &> /dev/null; then
+            if command -v apk &> /dev/null; then apk add --no-cache jq;
+            elif command -v apt-get &> /dev/null; then apt-get update && apt-get install -y jq; fi
+          fi
+
           USER_URL="http://gitea-http:3000/api/v1/users/patrick/heatmap"
 
           RAW_DATA=$(wget -qO- --header="Authorization: token ${{ secrets.GITHUB_TOKEN }}" "$USER_URL")