Merge all changes

.gitea/workflows/findings-ledger-ci.yml

@@ -26,7 +26,7 @@ env:
 
 jobs:
   build-test:
-    runs-on: ubuntu-22.04
+    runs-on: ${{ vars.LINUX_RUNNER_LABEL || 'ubuntu-latest' }}
     env:
       TEST_RESULTS_DIR: ${{ github.workspace }}/artifacts/test-results
     steps:
@@ -68,7 +68,7 @@ jobs:
           path: ${{ env.TEST_RESULTS_DIR }}
 
   migration-validation:
-    runs-on: ubuntu-22.04
+    runs-on: ${{ vars.LINUX_RUNNER_LABEL || 'ubuntu-latest' }}
     services:
       postgres:
         image: postgres:16-alpine
@@ -228,7 +228,7 @@ jobs:
           echo "✓ Migration is idempotent"
 
   generate-manifest:
-    runs-on: ubuntu-22.04
+    runs-on: ${{ vars.LINUX_RUNNER_LABEL || 'ubuntu-latest' }}
     needs: [build-test, migration-validation]
     steps:
       - name: Checkout repository
@@ -323,3 +323,4 @@ jobs:
           name: findings-ledger-migrations
           path: out/findings-ledger/
           if-no-files-found: error
+