build(deps-dev): bump phpunit/phpunit in /build/integration

Bumps [phpunit/phpunit](https://github.com/sebastianbergmann/phpunit) from 9.6.26 to 9.6.27.
- [Release notes](https://github.com/sebastianbergmann/phpunit/releases)
- [Changelog](https://github.com/sebastianbergmann/phpunit/blob/9.6.27/ChangeLog-9.6.md)
- [Commits](https://github.com/sebastianbergmann/phpunit/compare/9.6.26...9.6.27)

---
updated-dependencies:
- dependency-name: phpunit/phpunit
  dependency-version: 9.6.27
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

build/integration/composer.lock

@@ -1209,16 +1209,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "9.6.26",
+            "version": "9.6.27",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "a0139ea157533454f611038326f3020b3051f129"
+                "reference": "0a9aa4440b6a9528cf360071502628d717af3e0a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/a0139ea157533454f611038326f3020b3051f129",
-                "reference": "a0139ea157533454f611038326f3020b3051f129",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/0a9aa4440b6a9528cf360071502628d717af3e0a",
+                "reference": "0a9aa4440b6a9528cf360071502628d717af3e0a",
                 "shasum": ""
             },
             "require": {
@@ -1292,7 +1292,7 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/phpunit/issues",
                 "security": "https://github.com/sebastianbergmann/phpunit/security/policy",
-                "source": "https://github.com/sebastianbergmann/phpunit/tree/9.6.26"
+                "source": "https://github.com/sebastianbergmann/phpunit/tree/9.6.27"
             },
             "funding": [
                 {
@@ -1316,7 +1316,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2025-09-11T06:17:45+00:00"
+            "time": "2025-09-14T06:18:03+00:00"
         },
         {
             "name": "psr/container",