update ci php version

Author: mmasiukevich

.github/workflows/continuous-integration.yml

@@ -13,7 +13,7 @@ jobs:
       - name: Install PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: 8.0
+          php-version: 8.1
           coverage: none
           tools: composer:v2
 
@@ -33,7 +33,7 @@ jobs:
       - name: Install PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: 8.0
+          php-version: 8.1
           coverage: none
           tools: composer:v2
 
@@ -53,7 +53,7 @@ jobs:
       - name: Install PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: 8.0
+          php-version: 8.1
           coverage: none
           tools: composer:v2
 
@@ -91,7 +91,7 @@ jobs:
       - name: Install PHP with extensions
         uses: shivammathur/setup-php@v2
         with:
-          php-version: 8.0
+          php-version: 8.1
           extensions: ${{ env.PHP_EXTENSIONS }}
           ini-values: ${{ env.PHP_INI_VALUES }}
           tools: composer:v2