[DEPS]: Bump composer/pcre from 2.1.0 to 3.1.0

Bumps [composer/pcre](https://github.com/composer/pcre) from 2.1.0 to 3.1.0.
- [Release notes](https://github.com/composer/pcre/releases)
- [Commits](composer/pcre@2.1.0...3.1.0)

---
updated-dependencies:
- dependency-name: composer/pcre
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

composer.json

@@ -47,7 +47,7 @@
     "require-dev": {
         "10up/wp_mock": "^0.5",
         "composer/composer": "^1.10 || ^2.0",
-        "composer/pcre": "^2.0",
+        "composer/pcre": "^3.1",
         "phpunit/phpunit": "^9",
         "mockery/mockery": "~1.3",
         "psr/container": "1.1.1"