chore(deps): Bump vlucas/phpdotenv from 5.2.0 to 5.3.0

Bumps [vlucas/phpdotenv](https://github.com/vlucas/phpdotenv) from 5.2.0 to 5.3.0.
- [Release notes](https://github.com/vlucas/phpdotenv/releases)
- [Commits](vlucas/phpdotenv@v5.2.0...v5.3.0)

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

composer.json

@@ -33,7 +33,7 @@
   "require": {
     "php": ">=7.1",
     "composer/installers": "^1.10",
-    "vlucas/phpdotenv": "^5.2",
+    "vlucas/phpdotenv": "^5.3",
     "oscarotero/env": "^2.1",
     "roots/bedrock-autoloader": "^1.0",
     "roots/wordpress": "5.6.1",