Add Cancel for previous runs to more workflows

.github/workflows/dockerhub-description.yml

@@ -10,6 +10,10 @@ jobs:
   dockerHubDescription:
     runs-on: ubuntu-20.04
     steps:
+      - name: Cancel Previous Runs
+        uses: styfle/cancel-workflow-action@0.9.1
+        with:
+          access_token: ${{ secrets.GITHUB_TOKEN }}
       - uses: actions/checkout@v2
 
       - name: Modify readme for DockerHub

.github/workflows/fossa.yml

@@ -16,6 +16,10 @@ jobs:
     name: Fossa
     runs-on: ubuntu-20.04
     steps:
+      - name: Cancel Previous Runs
+        uses: styfle/cancel-workflow-action@0.9.1
+        with:
+          access_token: ${{ secrets.GITHUB_TOKEN }}
       - name: Checkout Repository
         uses: actions/checkout@v2
       - name: Scan

.github/workflows/lint.yml

@@ -27,6 +27,10 @@ jobs:
     name: Lint
     runs-on: ubuntu-20.04
     steps:
+      - name: Cancel Previous Runs
+        uses: styfle/cancel-workflow-action@0.9.1
+        with:
+          access_token: ${{ secrets.GITHUB_TOKEN }}
       - name: Checkout Repository
         uses: actions/checkout@v2
       - name: Lint Code

.github/workflows/sync.yml

@@ -10,6 +10,10 @@ jobs:
   repo-sync:
     runs-on: ubuntu-20.04
     steps:
+      - name: Cancel Previous Runs
+        uses: styfle/cancel-workflow-action@0.9.1
+        with:
+          access_token: ${{ secrets.GITHUB_TOKEN }}
       - name: Repo Sync
         uses: wei/git-sync@v3
         with:
@@ -22,7 +26,7 @@ jobs:
   # This job open a PR to sync the generated CRD files across to nginx-ingress-operator
   # (see .github/sync.yml for config details)
   crds-sync:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - name: Checkout Repository
         uses: actions/checkout@v2
@@ -47,7 +51,7 @@ jobs:
           - nginxinc/nginx-plus-go-client
           - nginxinc/nginx-asg-sync
           - nginxinc/nginx-ns1-gslb
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - name: Checkout
         uses: actions/checkout@v2