Reformat all code to use shell instead of sh

snippets/commit-without-hooks.md

@@ -7,11 +7,11 @@ Creates a new commit skipping the pre-commit and commit-msg hooks.
 
 - Use `git commit --no-verify -m <message>` to commit staged changes without running git hooks.
 
-```sh
+```shell
 git commit --no-verify -m <message>
 ```
 
-```sh
+```shell
 # Make some changes to files, ones that your precommit hook might not allow
 git add .
 git commit --no-verify -m "Unsafe commit"