ci: migrate runs-on to Twilio runner labels + SHA-pin actions

.github/workflows/lint-python.yml

@@ -9,8 +9,8 @@ on:
       - main
 jobs:
   ruff:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-large
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744  # v3
       - run: pip install --user ruff
       - run: ruff check --ignore="E722,F40,F841" --line-length=320 --target-version=py37 .

.github/workflows/pr-lint.yml

@@ -6,9 +6,9 @@ on:
 jobs:
   validate:
     name: Validate title
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-large
     steps:
-      - uses: amannn/action-semantic-pull-request@v5
+      - uses: amannn/action-semantic-pull-request@e32d7e603df1aa1ba07e981f2a23455dee596825  # v5
         with:
           types: |
             chore

.github/workflows/test-and-deploy.yml

@@ -13,7 +13,7 @@ on:
 jobs:
   test:
     name: Test
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-large
     timeout-minutes: 20
     strategy:
       matrix:
@@ -22,11 +22,11 @@ jobs:
       DOCKER_LOGIN: ${{ secrets.DOCKER_USERNAME && secrets.DOCKER_AUTH_TOKEN }}
     steps:
       - name: Checkout sendgrid-python
-        uses: actions/checkout@v3
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744  # v3
 
       - name: Login to Docker Hub
         if: env.DOCKER_LOGIN
-        uses: docker/login-action@v2
+        uses: docker/login-action@465a07811f14bebb1938fbed4728c6a1ff8901fc  # v2
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_AUTH_TOKEN }}
@@ -43,13 +43,13 @@ jobs:
     name: Deploy
     if: success() && github.ref_type == 'tag'
     needs: [ test ]
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-large
     steps:
       - name: Checkout sendgrid-python
-        uses: actions/checkout@v3
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744  # v3
 
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@7f4fc3e22c37d6ff65e88745f38bd3157c663f7c  # v4
         with:
           python-version: '3.10'
 
@@ -61,30 +61,30 @@ jobs:
           python setup.py sdist bdist_wheel
 
       - name: Create GitHub Release
-        uses: sendgrid/dx-automator/actions/release@main
+        uses: sendgrid/dx-automator/actions/release@08b601b726671445abc798ed59881766ec8fefc6  # main
         with:
           footer: '**[pypi](https://pypi.org/project/sendgrid/${version})**'
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Publish package to PyPI
-        uses: pypa/gh-action-pypi-publish@release/v1
+        uses: pypa/gh-action-pypi-publish@cef221092ed1bacb1cc03d23a2d87d1d172e277b  # release/v1
         with:
           user: __token__
           password: ${{ secrets.PYPI_TOKEN }}
 
       - name: Submit metric to Datadog
-        uses: sendgrid/dx-automator/actions/datadog-release-metric@main
+        uses: sendgrid/dx-automator/actions/datadog-release-metric@08b601b726671445abc798ed59881766ec8fefc6  # main
         env:
           DD_API_KEY: ${{ secrets.DATADOG_API_KEY }}
 
   notify-on-failure:
     name: Slack notify on failure
     if: failure() && github.event_name != 'pull_request' && (github.ref == 'refs/heads/main' || github.ref_type == 'tag')
     needs: [ test, deploy ]
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-large
     steps:
-      - uses: rtCamp/action-slack-notify@v2
+      - uses: rtCamp/action-slack-notify@33ca3be66c6f378fe1610fd1d5258632dbed5e58  # v2
         env:
           SLACK_COLOR: failure
           SLACK_ICON_EMOJI: ':github:'