chore(deps): pin dependencies

Author: renovate[bot]

.github/workflows/pr-check.yml

@@ -16,9 +16,9 @@ jobs:
     if: ${{ (github.server_url == 'https://github.com') && (github.repository == 'ExpediaGroup/styx') }}
     steps:
       - name: checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v6.0.3
       - name: Set up JDK
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v5.2.0
         with:
           distribution: temurin
           java-version: 21