Bump symfony/polyfill-php81 from 1.33.0 to 1.34.0 (#428)

Bumps [symfony/polyfill-php81](https://github.com/symfony/polyfill-php81) from 1.33.0 to 1.34.0.
- [Release notes](https://github.com/symfony/polyfill-php81/releases)
- [Commits](https://github.com/symfony/polyfill-php81/compare/v1.33.0...v1.34.0)

---
updated-dependencies:
- dependency-name: symfony/polyfill-php81
  dependency-version: 1.34.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

composer.lock

@@ -1292,7 +1292,7 @@
         },
         {
             "name": "symfony/polyfill-php81",
-            "version": "v1.33.0",
+            "version": "v1.34.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-php81.git",
@@ -1348,7 +1348,7 @@
                 "shim"
             ],
             "support": {
-                "source": "https://github.com/symfony/polyfill-php81/tree/v1.33.0"
+                "source": "https://github.com/symfony/polyfill-php81/tree/v1.34.0"
             },
             "funding": [
                 {
@@ -2062,5 +2062,5 @@
         "ext-ssh2": "*"
     },
     "platform-dev": {},
-    "plugin-api-version": "2.6.0"
+    "plugin-api-version": "2.9.0"
 }