build-lxd.yml: Use compatible repository versions to run tests

Signed-off-by: Tobias Knöppler <[email protected]>

.github/workflows/build-lxd.yml

@@ -362,7 +362,7 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v3
         with:
-          ref: "${{ env.VERSION }}"
+          ref: "v1.53.2"
       - name: Setup Firefox
         continue-on-error: true
         id: setup-firefox-browser-action
@@ -547,6 +547,10 @@ jobs:
           ip="${ip/% *}"
           sudo sed -i 's/^.*nextcloudpi.local.*$//g' /etc/hosts
           echo "${ip} nextcloudpi.local" | sudo tee -a /etc/hosts
+      - name: Checkout current version
+        run: |
+          git fetch origin
+          git checkout "${{ env.VERSION }}"
       - name: Test LXD Image
         working-directory: ./tests
         run: |