Update CI runner versions from Node 16 to 20. (#3872)

.github/workflows/build_raspbian.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: [self-hosted, linux, ARM64]
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: recursive
           ref: ${{github.event.pull_request.head.ref}}
@@ -37,9 +37,10 @@ jobs:
         id: version
 
       - name: Store binaries as an artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: firmware-raspbian-${{ steps.version.outputs.version }}.zip
+          overwrite: true
           path: |
             release/meshtasticd_linux_aarch64
             bin/config-dist.yaml