chore: Bump testcontainers/testcontainers from 1.0.2 to 1.0.3

Bumps [testcontainers/testcontainers](https://github.com/testcontainers/testcontainers-php) from 1.0.2 to 1.0.3.
- [Release notes](https://github.com/testcontainers/testcontainers-php/releases)
- [Commits](testcontainers/testcontainers-php@1.0.2...1.0.3)

---
updated-dependencies:
- dependency-name: testcontainers/testcontainers
  dependency-version: 1.0.3
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

composer.json

@@ -31,7 +31,7 @@
     "phpstan/phpstan": "2.1.16",
     "phpunit/phpunit": "11.5.21",
     "symplify/easy-coding-standard": "12.5.16",
-    "testcontainers/testcontainers": "1.0.2"
+    "testcontainers/testcontainers": "1.0.3"
   },
   "scripts": {
     "analyze": "vendor/bin/ecs check && composer stan",