minor #39443 [Notifier] Add PHP 8 support for bridges (OskarStark)

This PR was merged into the 5.2 branch.

Discussion
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[Notifier] Add PHP 8 support for bridges

| Q             | A
| ------------- | ---
| Branch?       | 5.2
| Bug fix?      | no
| New feature?  | no <!-- please update src/**/CHANGELOG.md files -->
| Deprecations? | no <!-- please update UPGRADE-*.md and src/**/CHANGELOG.md files -->
| Tickets       | ---
| License       | MIT
| Doc PR        | ---

Is 5.2 the right branch?

Commits
-------

32014199d0 [Notifier] Add PHP 8 support for bridges

src/Symfony/Component/Notifier/Bridge/Discord/composer.json

@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": "^7.2.5",
+        "php": ">=7.2.5",
         "symfony/http-client": "^4.3|^5.0",
         "symfony/notifier": "^5.2"
     },

src/Symfony/Component/Notifier/Bridge/Esendex/composer.json

@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": "^7.2.5",
+        "php": ">=7.2.5",
         "symfony/http-client": "^4.4|^5.0",
         "symfony/notifier": "^5.2"
     },

src/Symfony/Component/Notifier/Bridge/Infobip/composer.json

@@ -20,7 +20,7 @@
         }
     ],
     "require": {
-        "php": "^7.2.5",
+        "php": ">=7.2.5",
         "symfony/http-client": "^4.3|^5.0",
         "symfony/notifier": "^5.2"
     },

src/Symfony/Component/Notifier/Bridge/Mobyt/composer.json

@@ -17,7 +17,7 @@
     ],
     "require": {
         "ext-json": "*",
-        "php": "^7.2.5",
+        "php": ">=7.2.5",
         "symfony/http-client": "^4.3|^5.0",
         "symfony/notifier": "^5.2"
     },

src/Symfony/Component/Notifier/Bridge/Zulip/composer.json

@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": "^7.2.5",
+        "php": ">=7.2.5",
         "symfony/http-client": "^4.3|^5.0",
         "symfony/notifier": "^5.2"
     },