Add PHP 8.4 to workflows.

Author: Maikuolan

.github/workflows/frontend.yml

@@ -9,7 +9,7 @@ jobs:
   strategy:
    matrix:
     operating-system: [ubuntu-latest]
-    php-versions: ['7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3']
+    php-versions: ['7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3', '8.4']
   name: PHP ${{ matrix.php-versions }} on ${{ matrix.operating-system }}
   steps:
   - name: Checkout

.github/workflows/php-cs-fixer.yml

@@ -9,7 +9,7 @@ jobs:
   strategy:
    matrix:
     operating-system: [ubuntu-latest]
-    php-versions: ['8.2']
+    php-versions: ['8.3']
   name: PHP ${{ matrix.php-versions }} on ${{ matrix.operating-system }}
   steps:
   - name: Checkout

Changelog.md

@@ -169,3 +169,7 @@ __*Why "v3.0.0" instead of "v1.0.0?"*__ Prior to phpMussel v3, the "phpMussel Co
 - [2024.07.02]: Merged zh and zh-TW L10N, and dropped region designations (e.g., CN, TW) in favour of script designations (e.g., Hans, Hant).
 - [2024.07.23]: Added MDN to the front-end's "useful links".
 - [2024.09.02]: Code-style patch.
+
+### v3.5.3
+
+- [2024.11.06]: Added PHP 8.4 to workflows.