feat(ci): add a codespell linting action (#4482)

* feat(ci): add a codespell linting action

* fix(ci): run this job if the lint workflow is changed

* ci(codespell): add configuration file

* ci(codespell): exclude mermaid.min.js

* fix: wrong mermaid.min.js location

* ci(codespell): Sur from "Big Sur" is being considered as misspelled

* ci(codespell): make warning the max level

This won't restrict PRs from merging

* ci(codespell): lint on every push

* test: create a misspelling

* Revert "test: create a misspelling"

This reverts commit a2c91cda1e.

.codespellrc

@@ -0,0 +1,3 @@
+[codespell]
+ignore-words-list=crate,Sur
+exclude-file=book/mermaid.min.js

.github/workflows/lint.yml

@@ -33,6 +33,7 @@ jobs:
             **/Cargo.lock
             clippy.toml
             .cargo/config.toml
+            .github/workflows/lint.yml
 
       - name: Workflow files
         id: changed-files-workflows
@@ -118,3 +119,13 @@ jobs:
         with:
           level: warning
           fail_on_error: false
+
+  codespell:
+    runs-on: ubuntu-latest
+    needs: changed-files
+    steps:
+      - uses: actions/checkout@v3.0.2
+      - uses: plettich/action-codespell@master
+        with:
+          github_token: ${{ secrets.github_token }}
+          level: warning