Attempt to fix job failures

Author: danielinux

.github/workflows/test-build-cmake-mac.yml

@@ -53,12 +53,17 @@ jobs:
 
       - name: Install toolchain and build tools
         run: |
+          # Clean download directory (prevents mismatch failures)
+          rm -rf /Users/runner/Library/Caches/Homebrew/downloads/*
+
           # Install with step throttle to hopefully avoid stuck jobs
 
           set -euxo pipefail
 
           throttle_delay=5
           brew update
+          brew upgrade
+          brew cleanup
 
           sleep "$throttle_delay"
           brew install --force-bottle cmake

.github/workflows/test-build-cmake-presets.yml

@@ -58,13 +58,10 @@ jobs:
       # Currently only supported on Ubuntu
 
       # ARM GCC toolchain (adds the bin dir to PATH)
-      - name: Set up ARM none-eabi GCC 14.x
-        if: matrix.target != 'sim'
-        uses: carlosperate/arm-none-eabi-gcc-action@v1
-        with:
-          release: "14.2.Rel1" # <-- use 'release', not 'version'
-          path-env-var: ARM_NONE_EABI_GCC_PATH
-
+      - name: Set up ARM none-eabi GCC
+        run: |
+          sudo apt update
+          sudo apt install -y gcc-arm-none-eabi
 
       - name: List all environment variables
         run: |