ci: Check spelling with codespell

* You can ignore words inline by adding a comment like `# codespell:ignore word`.
* You can ignore words by adding them to the `.codespell_ignores` file.
* You can ignore files and directories by adding them with `skip = ` to the `.codespellrc` file.

Signed-off-by: Sergei Petrosian <spetrosi@redhat.com>

.github/workflows/codespell.yml

@@ -0,0 +1,17 @@
+# Codespell configuration is within .codespellrc
+---
+name: Codespell
+on:  # yamllint disable-line rule:truthy
+  - pull_request
+permissions:
+  contents: read
+jobs:
+  codespell:
+    name: Check for spelling errors
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Codespell
+        uses: codespell-project/actions-codespell@v2

.github/workflows/tft_citest_bad.yml

@@ -36,7 +36,7 @@ jobs:
           RUN_ID=$(gh api "repos/$REPO/actions/workflows/tft.yml/runs?event=issue_comment" \
             | jq -r "[.workflow_runs[] | select( .display_title == \"$PR_TITLE\" ) | select( .conclusion == \"failure\" ) | .id][0]")
           if [ "$RUN_ID" = "null" ]; then
-            echo "Failed workflow not found, exitting"
+            echo "Failed workflow not found, exiting"
             exit 1
           fi
           echo "Re-running workflow $RUN_ID"