ci: pin down CI workflow from swift lang to 0.0.2, rather than using potentially unstable main branch.

Author: scottmarchant

.github/workflows/pull_request.yml

@@ -7,15 +7,15 @@ on:
 jobs:
   soundness:
     name: Soundness
-    uses: swiftlang/github-workflows/.github/workflows/soundness.yml@main
+    uses: swiftlang/github-workflows/.github/workflows/soundness.yml@0.0.3
     with:
       format_check_container_image: swift:6.1.0-noble
       license_header_check_enabled: false
       api_breakage_check_enabled: false
 
   tests:
     name: Tests
-    uses: swiftlang/github-workflows/.github/workflows/swift_package_test.yml@main
+    uses: swiftlang/github-workflows/.github/workflows/swift_package_test.yml@0.0.2
     with:
       enable_macos_checks: false
       linux_exclude_swift_versions: "[{\"swift_version\": \"5.9\"}, {\"swift_version\": \"5.10\"}, {\"swift_version\": \"5.10.1\"}, {\"swift_version\": \"6.0\"}]"