Dependencies, PHP version & dependabot settings

Author: peldax

.github/dependabot.yml

@@ -3,4 +3,5 @@ updates:
 - package-ecosystem: composer
   directory: "/"
   schedule:
-    interval: weekly
+    interval: monthly
+    time: "04:00"

.github/workflows/php.yml

@@ -20,7 +20,7 @@ jobs:
     - name: Setup PHP
       uses: shivammathur/setup-php@v2
       with:
-        php-version: '8.0'
+        php-version: '8.1'
         ini-values: zend.assertions=1, assert.exception=1
         coverage: xdebug
       env:
@@ -50,7 +50,7 @@ jobs:
     - name: Setup PHP
       uses: shivammathur/setup-php@v2
       with:
-        php-version: '8.0'
+        php-version: '8.1'
         ini-values: zend.assertions=1, assert.exception=1
         coverage: xdebug
       env:
@@ -74,7 +74,7 @@ jobs:
     - name: Setup PHP
       uses: shivammathur/setup-php@v2
       with:
-        php-version: '8.0'
+        php-version: '8.1'
         ini-values: zend.assertions=1, assert.exception=1
       env:
         update: true
@@ -97,7 +97,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: '8.0'
+          php-version: '8.1'
         env:
           update: true
 

composer.json

@@ -21,7 +21,7 @@
   "require-dev": {
     "infinityloop-dev/graphpinator-upload": "^1.0.2",
     "phpunit/phpunit": "^9.5",
-    "infection/infection": "^0.25 || ^0.26",
+    "infection/infection": "^0.26",
     "phpstan/phpstan": "^1.0",
     "infinityloop-dev/coding-standard": "^0.2"
   },