Bump phpstan/phpstan from 1.1.1 to 1.2.0 (#2427)

Bumps [phpstan/phpstan](https://github.com/phpstan/phpstan) from 1.1.1 to 1.2.0.
- [Release notes](https://github.com/phpstan/phpstan/releases)
- [Changelog](https://github.com/phpstan/phpstan/blob/master/CHANGELOG.md)
- [Commits](https://github.com/phpstan/phpstan/compare/1.1.1...1.2.0)

---
updated-dependencies:
- dependency-name: phpstan/phpstan
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

composer.lock

@@ -2013,16 +2013,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "1.1.1",
+            "version": "1.2.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "cb317029197236c571c1b9305b8dd12850d8d85c"
+                "reference": "cbe085f9fdead5b6d62e4c022ca52dc9427a10ee"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/cb317029197236c571c1b9305b8dd12850d8d85c",
-                "reference": "cb317029197236c571c1b9305b8dd12850d8d85c",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/cbe085f9fdead5b6d62e4c022ca52dc9427a10ee",
+                "reference": "cbe085f9fdead5b6d62e4c022ca52dc9427a10ee",
                 "shasum": ""
             },
             "require": {
@@ -2038,7 +2038,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.0-dev"
+                    "dev-master": "1.2-dev"
                 }
             },
             "autoload": {
@@ -2053,7 +2053,7 @@
             "description": "PHPStan - PHP Static Analysis Tool",
             "support": {
                 "issues": "https://github.com/phpstan/phpstan/issues",
-                "source": "https://github.com/phpstan/phpstan/tree/1.1.1"
+                "source": "https://github.com/phpstan/phpstan/tree/1.2.0"
             },
             "funding": [
                 {
@@ -2073,7 +2073,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-11-06T22:46:47+00:00"
+            "time": "2021-11-18T14:09:01+00:00"
         },
         {
             "name": "phpstan/phpstan-phpunit",