Trim ARM CI toolchain install

Author: Vanderhell

.github/workflows/ci.yml

@@ -115,7 +115,9 @@ jobs:
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
 
       - name: Install ARM toolchain
-        run: sudo apt-get update && sudo apt-get install -y gcc-arm-none-eabi
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y --no-install-recommends binutils-arm-none-eabi gcc-arm-none-eabi
 
       - name: Compile-only
         run: |