update phpstan to 1.1.2; update php-qrcode to 3.4.1

vendor/chillerlan/php-settings-container/.travis.yml

@@ -4,10 +4,10 @@ matrix:
   include:
   - php: 7.2
   - php: 7.3
-  - php: 7.4snapshot
+  - php: 7.4
+  - php: 8.0
   - php: nightly
   allow_failures:
-  - php: 7.4snapshot
   - php: nightly
 
 

vendor/chillerlan/php-settings-container/README.md

@@ -51,8 +51,8 @@ Profit!
 
 ## Usage
 
-The `SettingsContainerInterface` (wrapped in`SettingsContainerAbstract` ) provides plug-in functionality for immutable object variables and adds some fancy, like loading/saving JSON, arrays etc. 
-It takes iterable as the only constructor argument and calls a method with the trait's name on invocation (`MyTrait::MyTrait()`) for each used trait.
+The `SettingsContainerInterface` (wrapped in`SettingsContainerAbstract` ) provides plug-in functionality for immutable object properties and adds some fancy, like loading/saving JSON, arrays etc. 
+It takes an `iterable` as the only constructor argument and calls a method with the trait's name on invocation (`MyTrait::MyTrait()`) for each used trait.
 
 ### Simple usage
 ```php
@@ -61,6 +61,13 @@ class MyContainer extends SettingsContainerAbstract{
 	protected $bar;
 }
 ```
+Typed properties in PHP 7.4+:
+```php
+class MyContainer extends SettingsContainerAbstract{
+	protected string $foo;
+	protected string $bar;
+}
+```
 
 ```php
 // use it just like a \stdClass
@@ -78,6 +85,8 @@ $container->fromJSON('{"foo": "what", "bar": "foo"}');
 $container->toArray(); // -> ['foo' => 'what', 'bar' => 'foo']
 // or JSON
 $container->toJSON(); // -> {"foo": "what", "bar": "foo"}
+// JSON via JsonSerializable
+$json = json_encode($container); // -> {"foo": "what", "bar": "foo"}
 
 //non-existing properties will be ignored:
 $container->nope = 'what';

vendor/chillerlan/php-settings-container/composer.json

@@ -20,11 +20,11 @@
 		"source": "https://github.com/chillerlan/php-settings-container"
 	},
 	"require": {
-		"php": "^7.2",
+		"php": "^7.2 || ^8.0",
 		"ext-json": "*"
 	},
 	"require-dev": {
-		"phpunit/phpunit": "^8.3"
+		"phpunit/phpunit": "^8.4"
 	},
 	"autoload": {
 		"psr-4": {