Update spelling.yml

Revert back to ubuntu-22.04 because of disconnection of self hosted runner.

Author: nedsouza

.github/workflows/spelling.yml

@@ -8,7 +8,7 @@ jobs:
       contents: read
       pull-requests: read
       actions: read
-    runs-on: self-hosted
+    runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@v3
     - uses: check-spelling/[email protected]