Bump guzzlehttp/guzzle from 7.12.1 to 7.12.3

Bumps [guzzlehttp/guzzle](https://github.com/guzzle/guzzle) from 7.12.1 to 7.12.3.
- [Release notes](https://github.com/guzzle/guzzle/releases)
- [Changelog](https://github.com/guzzle/guzzle/blob/7.12/CHANGELOG.md)
- [Commits](guzzle/guzzle@7.12.1...7.12.3)

---
updated-dependencies:
- dependency-name: guzzlehttp/guzzle
  dependency-version: 7.12.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

composer.json

@@ -19,7 +19,7 @@
         "php": ">=8.1",
         "ext-json": ">=8.1",
         "composer/semver": "3.4.4",
-        "guzzlehttp/guzzle": "7.12.1",
+        "guzzlehttp/guzzle": "7.12.3",
         "vanilla/garden-cli": "v4.0",
         "wp-cli/php-cli-tools": "v0.13.0"
     },