testing AppArmor workaround for CI

Author: caveman99

.github/workflows/build_arduino.yml

@@ -16,4 +16,7 @@ jobs:
         key: ${{ runner.os }}-arduino
     - name: Install nix
       uses: cachix/install-nix-action@v31
-    - run: nix-shell -I nixpkgs=channel:nixpkgs-unstable -p arduino-ci --run "arduino-ci"
+    - run: |
+        sudo sysctl -w kernel.apparmor_restrict_unprivileged_unconfined=0
+        sudo sysctl -w kernel.apparmor_restrict_unprivileged_userns=0
+        nix-shell -I nixpkgs=channel:nixpkgs-unstable -p arduino-ci --run "arduino-ci"