Switch build to github hosted linux

Author: Stefterv

.github/workflows/build-gradle.yml

@@ -15,7 +15,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: [self-hosted, linux, ARM64]
+          - os: ubuntu-24.04-arm
             os_prefix: linux
             arch: aarch64
           - os: ubuntu-latest