JAVA-126: Use .sdkmanrc as Java version source for CI (#31)

- Created .sdkmanrc file
- Updated setup-java action to v5.1.0
- Changed java-version parameter to java-version-file: .sdkmanrc

Follows: agent-migrations/2026-01-sdkmanrc-ci-java-version-technical-guide.md

Co-authored-by: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: lukaszgyg

.github/workflows/codeql.yml

@@ -23,9 +23,9 @@ jobs:
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       - name: Set up JDK 17
-        uses: actions/setup-java@0ab4596768b603586c0de567f2430c30f5b0d2b0 # v3.13.0
+        uses: actions/setup-java@f2beeb24e141e01a676f977032f5a29d81c9e27e # v5.1.0
         with:
-          java-version: '17'
+          java-version-file: .sdkmanrc
           distribution: 'temurin'
 
       - name: Initialize CodeQL

.github/workflows/dependency-submission.yml

@@ -14,11 +14,11 @@ jobs:
     steps:
       - name: Checkout sources
         uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
-      - uses: actions/setup-java@b36c23c0d998641eff861008f374ee103c25ac73 # v4.4.0
+      - uses: actions/setup-java@f2beeb24e141e01a676f977032f5a29d81c9e27e # v5.1.0
         name: Setup Java
         with:
           distribution: temurin
-          java-version: 17
+          java-version-file: .sdkmanrc
       - name: Generate and submit dependency graph
         uses: gradle/actions/dependency-submission@v4.1.0
         with:

.sdkmanrc

@@ -0,0 +1 @@
+java=17.0.13-tem