Drop support for PHP 7.1, require PHPStan 1.5.0

.github/workflows/build.yml

@@ -16,7 +16,6 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "7.1"
           - "7.2"
           - "7.3"
           - "7.4"
@@ -40,7 +39,7 @@ jobs:
         run: "composer install --no-interaction --no-progress"
 
       - name: "Downgrade PHPUnit"
-        if: matrix.php-version == '7.1' || matrix.php-version == '7.2' || matrix.php-version == '7.3'
+        if: matrix.php-version == '7.2' || matrix.php-version == '7.3'
         run: "composer require --dev phpunit/phpunit:^7.5.20 --update-with-dependencies"
 
       - name: "Lint"
@@ -81,7 +80,6 @@ jobs:
       fail-fast: false
       matrix:
         php-version:
-          - "7.1"
           - "7.2"
           - "7.3"
           - "7.4"
@@ -110,7 +108,7 @@ jobs:
         run: "composer update --no-interaction --no-progress"
 
       - name: "Downgrade PHPUnit"
-        if: matrix.php-version == '7.1' || matrix.php-version == '7.2' || matrix.php-version == '7.3'
+        if: matrix.php-version == '7.2' || matrix.php-version == '7.3'
         run: "composer require --dev phpunit/phpunit:^7.5.20 --update-with-dependencies"
 
       - name: "Tests"
@@ -124,7 +122,6 @@ jobs:
       fail-fast: false
       matrix:
         php-version:
-          - "7.1"
           - "7.2"
           - "7.3"
           - "7.4"
@@ -155,7 +152,7 @@ jobs:
         run: "composer update --no-interaction --no-progress"
 
       - name: "Downgrade PHPUnit"
-        if: matrix.php-version == '7.1' || matrix.php-version == '7.2' || matrix.php-version == '7.3'
+        if: matrix.php-version == '7.2' || matrix.php-version == '7.3'
         run: "composer require --dev phpunit/phpunit:^7.5.20 --update-with-dependencies"
 
       - name: "PHPStan"

composer.json

@@ -6,8 +6,8 @@
 		"MIT"
 	],
 	"require": {
-		"php": "^7.1 || ^8.0",
-		"phpstan/phpstan": "^1.2.0"
+		"php": "^7.2 || ^8.0",
+		"phpstan/phpstan": "^1.5.0"
 	},
 	"require-dev": {
 		"nikic/php-parser": "^4.13.0",