workflows: Fix yamllint formatting

Author: euanh

.github/workflows/pull_request.yml

@@ -5,11 +5,11 @@ on:
     types: [opened, reopened, synchronize]
 
 jobs:
-#  tests:
-#    name: Test
-#    uses: swiftlang/github-workflows/.github/workflows/swift_package_test.yml@main
-#    with:
-#      linux_pre_build_command: apt-get update && apt-get install -y locales locales-all libsqlite3-dev
+  # tests:
+  #   name: Test
+  #   uses: swiftlang/github-workflows/.github/workflows/swift_package_test.yml@main
+  #   with:
+  #     linux_pre_build_command: apt-get update && apt-get install -y locales locales-all libsqlite3-dev
   soundness:
     name: Soundness
     uses: swiftlang/github-workflows/.github/workflows/soundness.yml@main