Update shivammathur/setup-php action to v2.27.1

| datasource  | package                | from   | to     |
| ----------- | ---------------------- | ------ | ------ |
| github-tags | shivammathur/setup-php | 2.27.0 | 2.27.1 |


Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/continuous-integration.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4.1.1
-      - uses: shivammathur/setup-php@2.27.0
+      - uses: shivammathur/setup-php@2.27.1
         with:
           php-version: 8.1
           extensions: pcov
@@ -43,7 +43,7 @@ jobs:
         uses: actions/checkout@v4.1.1
 
       - name: "Install PHP"
-        uses: shivammathur/setup-php@2.27.0
+        uses: shivammathur/setup-php@2.27.1
         with:
           php-version: 8.1