chore: Update workflows to use PHP 8.4

Author: ollieread

.github/workflows/static-analysis.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: 8.2
+          php-version: 8.4
           tools: composer:v2
           coverage: none
 

.github/workflows/tests.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: 8.2
+          php-version: 8.4
           extensions: dom, curl, libxml, mbstring, zip, pcntl, pdo, sqlite, pdo_sqlite, gd, redis, igbinary, msgpack, lzf, zstd, lz4, memcached, gmp, :php-psr
           ini-values: error_reporting=E_ALL
           tools: composer:v2