Update shivammathur/setup-php action to v2.31.0

| datasource  | package                | from   | to     |
| ----------- | ---------------------- | ------ | ------ |
| github-tags | shivammathur/setup-php | 2.30.5 | 2.31.0 |

.github/workflows/continuous-integration.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/[email protected]
-      - uses: shivammathur/setup-php@2.30.5
+      - uses: shivammathur/setup-php@2.31.0
         with:
           php-version: 8.2
           extensions: pcov
@@ -35,7 +35,7 @@ jobs:
 
     steps:
       - uses: actions/[email protected]
-      - uses: shivammathur/setup-php@2.30.5
+      - uses: shivammathur/setup-php@2.31.0
         with:
           php-version: 8.2
       - uses: "ramsey/[email protected]"