Fully sync with larastans vendor file and explain the changes within

larastan.neon

@@ -1,3 +1,7 @@
+# This is copied from vendor/nunomaduro/larastan/extension.neon
+#
+# The `ignoreErrors` have been commented out (un-ignored…), as they don't apply
+# and because in our phpstan.neon.dist we enable `reportUnmatchedIgnoredErrors`
 parameters:
     scopeClass: NunoMaduro\Larastan\Analyser\Scope
     universalObjectCratesClasses:
@@ -14,6 +18,9 @@ parameters:
         #- '#Property App\\Http\\Middleware\\TrustProxies::\$headers \(string\) does not accept default value of type int#'
         # Ignore error from issue #244
         #- '#Cannot call method viaRequest\(\) on Illuminate\\Auth\\AuthManager\|null\.#'
+    bootstrap: %rootDir%/../../nunomaduro/larastan/bootstrap.php
+    reportUnmatchedIgnoredErrors: false
+
 services:
     -
         class: NunoMaduro\Larastan\Methods\Extension