ci: drop zizmor

Signed-off-by: Daniel Kesselberg <mail@danielkesselberg.de>

Author: kesselb

.github/workflows/lint-yaml.yml

@@ -32,8 +32,3 @@ jobs:
           config_data: |
             line-length: warning
 
-      - name: Install the latest version of uv
-        uses: astral-sh/setup-uv@f94ec6bedd8674c4426838e6b50417d36b6ab231 # v5.3.1
-
-      - name: Check GitHub actions
-        run: uvx zizmor --min-severity medium .github/workflows/*.yml