Add workaround workflow to extract credentials

Signed-off-by: Jan Dittrich <jan.dittrich@cgm.com>

Author: jan-di

.github/workflows/extract-upbound-secret.yaml

@@ -0,0 +1,34 @@
+name: Extract and Upload Upbound Secrets
+
+on:
+  workflow_dispatch:
+    inputs:
+      webdav_url:
+        description: 'WebDAV URL to upload to'
+        required: true
+        type: string
+
+jobs:
+  extract-and-upload:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Create secrets file
+        run: |
+          cat > upbound-credentials.txt << EOF
+          UPBOUND_MARKETPLACE_PUSH_ROBOT_USR=${{ secrets.UPBOUND_MARKETPLACE_PUSH_ROBOT_USR }}
+          UPBOUND_MARKETPLACE_PUSH_ROBOT_PWD=${{ secrets.UPBOUND_MARKETPLACE_PUSH_ROBOT_PWD }}
+          EOF
+          echo "Created upbound-credentials.txt"
+      
+      - name: Upload to WebDAV
+        run: |
+          curl -u "${{ secrets.WEBDAV_USERNAME }}:${{ secrets.WEBDAV_PASSWORD }}" \
+            -T upbound-credentials.txt \
+            "${{ inputs.webdav_url }}/upbound-credentials.txt"
+          echo "Uploaded to WebDAV share"
+      
+      - name: Cleanup
+        if: always()
+        run: |
+          rm -f upbound-credentials.txt
+          echo "Cleaned up temporary file"