Look for secrets before using them (#2918)

Signed-off-by: Josh Soref <[email protected]>

.github/workflows/artifacts.yaml

@@ -28,10 +28,26 @@ permissions:
   contents: read
 
 jobs:
-  container-image:
-    name: Container image
+  config:
     runs-on: ubuntu-latest
+    steps:
+      - name: Check Secrets
+        id: check-secrets
+        env:
+          username: ${{ secrets.DOCKER_USERNAME || '' }}
+          password: ${{ secrets.DOCKER_PASSWORD || '' }}
+        if: ${{ env.username != '' && env.password  != '' }}
+        shell: bash
+        run:
+          echo has-secrets=1 >> "$GITHUB_OUTPUT"
+    outputs:
+      has-secrets: ${{ steps.check-secrets.outputs.has-secrets }}
 
+  container-images:
+    name: Container images
+    runs-on: ubuntu-latest
+    needs: config
+    if: ${{ needs.config.outputs.has-secrets }}
     strategy:
       matrix:
         variant: