Add swift-6.3-branch to build matrix

Author: marcprux

.github/workflows/build_android_sdk.yml

@@ -22,7 +22,7 @@ jobs:
          #arch: ['x86_64']
          # build both the quick (x86_64) and complete (aarch64,x86_64,armv7) SDKs
          #arch: ['x86_64', '']
-         swift-version: ['swift-6.2-RELEASE', 'swift-6.2-branch', 'development']
+         swift-version: ['swift-6.2-RELEASE', 'swift-6.2-branch', 'swift-6.3-branch', 'development']
      runs-on: ubuntu-24.04
      steps:
       - name: Checkout swift-docker