Bump symfony/process from 4.3.3 to 4.3.4

Bumps [symfony/process](https://github.com/symfony/process) from 4.3.3 to 4.3.4.
- [Release notes](https://github.com/symfony/process/releases)
- [Changelog](https://github.com/symfony/process/blob/master/CHANGELOG.md)
- [Commits](symfony/process@v4.3.3...v4.3.4)

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

Author: dependabot-preview[bot]

composer.json

@@ -9,7 +9,7 @@
         "nikolaposa/version": "^3.1.0",
         "roave/better-reflection": "^3.4.0",
         "symfony/console": "^4.3.3",
-        "symfony/process": "^4.3.3",
+        "symfony/process": "^4.3.4",
         "thecodingmachine/safe": "^0.1.16"
     },
     "license": "MIT",