Fix CI (#429)

* disable yaml linter

* add semver label check

* re-enable soundness checks (shell, python, and yaml)

* disable checks on docc shell command

* fix errors

.github/workflows/pull_request.yml

@@ -10,11 +10,12 @@ jobs:
     uses: swiftlang/github-workflows/.github/workflows/soundness.yml@main
     with:
       license_header_check_project_name: "SwiftAWSLambdaRuntime"
-      shell_check_enabled: false
-      python_lint_check_enabled: false
+      shell_check_enabled: true
+      python_lint_check_enabled: true
       api_breakage_check_container_image: "swift:6.0-noble"
       docs_check_container_image: "swift:6.0-noble"
       format_check_container_image: "swiftlang/swift:nightly-6.0-jammy"
+      yamllint_check_enabled: true
 
   unit-tests:
     name: Unit tests
@@ -43,6 +44,18 @@ jobs:
     name: Swift 6 Language Mode
     uses: apple/swift-nio/.github/workflows/swift_6_language_mode.yml@main
 
+  semver-label-check:
+    name: Semantic Version label check
+    runs-on: ubuntu-latest
+    timeout-minutes: 1
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+      - name: Check for Semantic Version label
+        uses: apple/swift-nio/.github/actions/pull_request_semver_label_checker@main
+
   # until there is a support for musl in swiftlang/github-workflows
   # https://github.com/swiftlang/github-workflows/issues/34
   musl: