Bump squizlabs/php_codesniffer from 3.6.2 to 3.7.1 (#643)

Bumps [squizlabs/php_codesniffer](https://github.com/squizlabs/PHP_CodeSniffer) from 3.6.2 to 3.7.1.
- [Release notes](https://github.com/squizlabs/PHP_CodeSniffer/releases)
- [Commits](squizlabs/PHP_CodeSniffer@3.6.2...3.7.1)

---
updated-dependencies:
- dependency-name: squizlabs/php_codesniffer
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

composer.json

@@ -43,7 +43,7 @@
     "wpackagist-theme/twentytwentytwo": "^1.2"
   },
   "require-dev": {
-    "squizlabs/php_codesniffer": "^3.6.2",
+    "squizlabs/php_codesniffer": "^3.7.1",
     "roave/security-advisories": "dev-latest"
   },
   "config": {