dorothy-workflow: don't test PRs until review requested

.github/workflows/dorothy-workflow.yml

@@ -1,14 +1,15 @@
 # don't use [shell: bash] unless needed, as for macos-fresh that caused an infinite queue for the test step, and for linux bash may not exist yet
 # https://docs.github.com/en/actions/learn-github-actions/contexts#github-context
 name: dorothy-workflow
-'on':
+on:
   - push
   - pull_request
 concurrency:
   group: ${{ github.ref }}
   cancel-in-progress: true
 jobs:
   login-shells-and-linting:
+    if: ${{ github.event_name == 'push' || ( github.event_name == 'pull_request' && (github.event.pull_request.requested_reviewers || github.event.pull_request.requested_teams) ) }}
     runs-on: ubuntu-latest
     steps:
       - name: 'Dorothy Install'
@@ -111,6 +112,7 @@ jobs:
         run: dorothy check
   # https://github.com/actions/runner-images?tab=readme-ov-file#available-images
   runner-test:
+    if: ${{ github.event_name == 'push' || ( github.event_name == 'pull_request' && (github.event.pull_request.requested_reviewers || github.event.pull_request.requested_teams) ) }}
     strategy:
       fail-fast: false
       matrix:
@@ -125,6 +127,7 @@ jobs:
           # ensure dorothy is cloned, and run command
           bash -c "$(curl -fsSL 'https://dorothy.bevry.me/run?slug=${{ github.repository }}&commit=${{ github.event.pull_request.head.sha || github.sha }}')" -- dorothy test
   fresh-macos-test:
+    if: ${{ github.event_name == 'push' || ( github.event_name == 'pull_request' && (github.event.pull_request.requested_reviewers || github.event.pull_request.requested_teams) ) }}
     strategy:
       fail-fast: false
       matrix:
@@ -142,6 +145,7 @@ jobs:
           # ensure dorothy is cloned, and run command
           bash -c "$(curl -fsSL 'https://dorothy.bevry.me/run?slug=${{ github.repository }}&commit=${{ github.event.pull_request.head.sha || github.sha }}')" -- dorothy test
   container-test:
+    if: ${{ github.event_name == 'push' || ( github.event_name == 'pull_request' && (github.event.pull_request.requested_reviewers || github.event.pull_request.requested_teams) ) }}
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false