Update CI runner config

Author: marcprux

.github/workflows/pull_request.yml

@@ -42,6 +42,14 @@ jobs:
              build-type: 'local'
              build-compiler: '0'
              runner: 'ubuntu-24.04'
+           - swift-version: 'swift-6.2-branch'
+             build-type: 'docker'
+             build-compiler: '1'
+             runner: 'ubuntu-24.04'
+           - swift-version: 'development'
+             build-type: 'docker'
+             build-compiler: '1'
+             runner: 'ubuntu-24.04'
 
      runs-on: ${{ matrix.runner }}
      steps: