ci fixes?

Author: DarthGandalf

.github/workflows/run-tests.yml

@@ -26,7 +26,7 @@ jobs:
           apt update
           apt install -y libgtk-4-dev rustup meson gettext blueprint-compiler desktop-file-utils
 
-      - run: rustup update stable && rustup default stable
+      - run: rustup update --no-self-update stable
 
       - name: Run sccache-cache
         uses: mozilla-actions/[email protected]