Make Docker actions conditional on `ultralytics/yolov5` repo (#8060)

.github/workflows/ci-testing.yml

@@ -89,6 +89,8 @@ jobs:
           echo "GITHUB_EVENT_NAME is $GITHUB_EVENT_NAME"
           echo "GITHUB_WORKFLOW is $GITHUB_WORKFLOW"
           echo "GITHUB_ACTOR is $GITHUB_ACTOR"
+          echo "GITHUB_REPOSITORY is $GITHUB_REPOSITORY"
+          echo "GITHUB_REPOSITORY_OWNER is $GITHUB_REPOSITORY_OWNER"
       - name: Run tests
         shell: bash
         run: |

.github/workflows/docker.yml

 # YOLOv5 🚀 by Ultralytics, GPL-3.0 license
+# Builds ultralytics/yolov5:latest images on DockerHub https://hub.docker.com/r/ultralytics/yolov5
 
 name: Publish Docker Images
 
 on:
   push:
     branches: [ master ]
-  # pull_request:
-  #   branches: [master]
 
 jobs:
   docker:
+    if: github.repository == 'ultralytics/yolov5'
     name: Push Docker image to Docker Hub
     runs-on: ubuntu-latest
     steps: