Update GitHub workflows to use PHP 8.3 and 8.4

Author: antonmedv

.github/workflows/docker.yaml

@@ -22,7 +22,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: '8.2'
+          php-version: '8.4'
 
       - name: Get version
         run: |

.github/workflows/docs-sync.yaml

@@ -16,7 +16,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: '8.2'
+          php-version: '8.3'
 
       - name: Get Composer Cache Directory
         id: composer-cache

.github/workflows/docs.yaml

@@ -15,7 +15,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: '8.2'
+          php-version: '8.3'
 
       - name: Get Composer Cache Directory
         id: composer-cache