Bump phpstan/phpstan from 0.12.70 to 0.12.73

Bumps [phpstan/phpstan](https://github.com/phpstan/phpstan) from 0.12.70 to 0.12.73.
- [Release notes](https://github.com/phpstan/phpstan/releases)
- [Commits](https://github.com/phpstan/phpstan/compare/0.12.70...0.12.73)

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

composer.lock

@@ -9102,16 +9102,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "0.12.70",
+            "version": "0.12.73",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "07f0ef37f5f876e8cee44cc8ea0ec3fe80d499ee"
+                "reference": "a08c2759d132b4247b32e03066401c3232ad99b7"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/07f0ef37f5f876e8cee44cc8ea0ec3fe80d499ee",
-                "reference": "07f0ef37f5f876e8cee44cc8ea0ec3fe80d499ee",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/a08c2759d132b4247b32e03066401c3232ad99b7",
+                "reference": "a08c2759d132b4247b32e03066401c3232ad99b7",
                 "shasum": ""
             },
             "require": {
@@ -9142,7 +9142,7 @@
             "description": "PHPStan - PHP Static Analysis Tool",
             "support": {
                 "issues": "https://github.com/phpstan/phpstan/issues",
-                "source": "https://github.com/phpstan/phpstan/tree/0.12.70"
+                "source": "https://github.com/phpstan/phpstan/tree/0.12.73"
             },
             "funding": [
                 {
@@ -9158,7 +9158,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-01-27T17:06:47+00:00"
+            "time": "2021-02-07T16:26:54+00:00"
         },
         {
             "name": "phpstan/phpstan-deprecation-rules",