Update setup-php in docs workflow [skip ci]

.github/workflows/docs.yml

@@ -23,7 +23,7 @@ jobs:
         php-versions: ['5.3', '5.4', '5.5', '5.6', '7.0', '7.1', '7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3', '8.4', '8.5', '8.6', '8.7']
     steps:
       - name: Setup PHP
-        uses: shivammathur/setup-php@f3e473d116dcccaddc5834248c87452386958240 # v2
+        uses: shivammathur/setup-php@eb7c497e18156a6bbabfef1d3a82760b9eda3962 # v2
         with:
           php-version: ${{ matrix.php-versions }}
           tools: none