Merge pull request #2948 from Unidata/dependabot-pip-ci-codespell-2.2.4

CI: (deps): Bump codespell from 2.2.2 to 2.2.4 in /ci

Author: dopplershift

ci/linting_requirements.txt

@@ -24,4 +24,4 @@ pydocstyle==6.3.0
 doc8==1.1.1
 restructuredtext_lint==1.4.0
 
-codespell==2.2.2
+codespell==2.2.4