Add dependabot as conditional to not fail checks. (#37743)

* Add dependabot as conditional to not fail checks.

Dependabot almost always changes submodules and has its own
template for PRs. Remove some of the checks for PRs created by
dependabot.

* Fix dependabot name

.github/workflows/pr-validation.yaml

@@ -45,7 +45,7 @@ jobs:
       #       })
 
       - name: Fail if PR instructions were not deleted
-        if: steps.check-instructions.outcome == 'failure'
+        if: (steps.check-instructions.outcome == 'failure') && (github.event.pull_request.user.login != 'dependabot[bot]')
         run: |
           python -c 'import sys; print("PR instructions were not replaced"); sys.exit(1)'
 
@@ -63,7 +63,8 @@ jobs:
       #       })
 
       - name: Fail if `### Testing` section not in PR
-        if: steps.check-testing.outcome == 'failure'
+        if: (steps.check-testing.outcome == 'failure') && (github.event.pull_request.user.login != 'dependabot[bot]')
+
         run: |
           python -c 'import sys; print("Testing section missing (test failed)"); sys.exit(1)'
 

.github/workflows/third-party-check.yaml

@@ -28,13 +28,13 @@ jobs:
         name: Check For Submodule Update Label
         runs-on: ubuntu-latest
         steps:
-            - if: ${{ !contains(github.event.pull_request.labels.*.name, 'changing-submodules-on-purpose') }}
-              name: Fail
+            - name: Fail
+              if: (github.event.pull_request.user.login != 'dependabot[bot]') && !contains(github.event.pull_request.labels.*.name, 'changing-submodules-on-purpose')
               run: |
                   echo This pull request attempts to update submodules without the changing-submodules-on-purpose label. Please apply that label if the changes are intentional, or remove those changes.
                   exit 1
-            - if: ${{ contains(github.event.pull_request.labels.*.name, 'changing-submodules-on-purpose') }}
-              name: Success
+            - name: Success
+              if: contains(github.event.pull_request.labels.*.name, 'changing-submodules-on-purpose')
               run: |
                   echo PR looks good.
                   exit 0