Update rpi_arm64.yml

Author: irodushka

.github/workflows/rpi_arm64.yml

@@ -16,6 +16,8 @@ jobs:
     - uses: actions/checkout@v4
     - uses: pguyot/arm-runner-action@v2
       with:
+        base_image: raspbian_lite:latest
+        cpu: cortex-a53
         copy_repository_path: /opt/fb_odbc
         copy_artifact_path: |
                     Builds/Gcc.lin/Release_*