fix: allow cache push through PAT

.github/workflows/components.yaml

@@ -33,7 +33,8 @@ env:
   components: '["ocmcli", "helminstaller", "helmdemo", "subchartsdemo", "ecrplugin"]'
   IMAGE_PLATFORMS: 'linux/amd64 linux/arm64'
   PLATFORMS: 'windows/amd64 darwin/arm64 darwin/amd64 linux/amd64 linux/arm64'
-  BUILDX_CACHE_PUSH: ${{ github.ref == 'refs/heads/main' }}
+  BUILDX_CACHE_PUSH: true
+#  BUILDX_CACHE_PUSH: ${{ github.ref == 'refs/heads/main' }}
   BUILDX_CACHE_REF_BASE: ghcr.io/${{ github.repository }}/buildx-cache
 
 jobs:
@@ -70,12 +71,18 @@ jobs:
           cache: false
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
+      - name: Generate token
+        id: generate_token
+        uses: tibdex/github-app-token@v2
+        with: # OCMBot
+          app_id: ${{ secrets.OCMBOT_APP_ID }}
+          private_key: ${{ secrets.OCMBOT_PRIV_KEY }}
       - name: Docker Login
         uses: docker/login-action@v3
         with:
           registry: ghcr.io
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
+          username: OCMBot
+          password: ${{ steps.generate_token.outputs.token }}
       - name: Get go environment for use with cache
         run: |
           echo "go_cache=$(go env GOCACHE)" >> $GITHUB_ENV