Update webfactory/ssh-agent action to v0.9.1

Author: renovate[bot]

.github/workflows/workflow.yaml

@@ -66,7 +66,7 @@ jobs:
             VITE_API_URL=http://crypi.crylendar.org
       - name: Set SSH key
         if: github.ref == 'refs/heads/main'
-        uses: webfactory/[email protected].0
+        uses: webfactory/[email protected].1
         with:
           ssh-private-key: ${{ secrets.SSH_KEY }}
       - name: Auth
@@ -139,7 +139,7 @@ jobs:
           tags: postmodern.alexdaniel.org/crylendar-backend:${{ github.sha }} ${{ github.ref == 'refs/heads/main' && ', postmodern.alexdaniel.org/crylendar-backend:latest' || '' }}
       - name: Set SSH key
         if: github.ref == 'refs/heads/main'
-        uses: webfactory/[email protected].0
+        uses: webfactory/[email protected].1
         with:
           ssh-private-key: ${{ secrets.SSH_KEY }}
       - name: Auth
@@ -169,7 +169,7 @@ jobs:
           password: ${{ secrets.DOCKER_REGISTRY_PASSWORD }}
       - name: Set SSH key
         if: github.ref == 'refs/heads/main'
-        uses: webfactory/[email protected].0
+        uses: webfactory/[email protected].1
         with:
           ssh-private-key: ${{ secrets.SSH_KEY }}
       - name: Auth