ci: run typos in CI

Author: phip1611

.github/workflows/typos.yml

@@ -0,0 +1,10 @@
+name: Typos / Spellcheck
+on: [merge_group, push, pull_request]
+jobs:
+  spellcheck:
+    name: Spellcheck
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      # Executes "typos ."
+      - uses: crate-ci/[email protected]