bug #11427 [Maintenance] Upgrade psalm version (lchrusciel)

This PR was merged into the 1.7 branch.

Discussion
----------

| Q               | A
| --------------- | -----
| Branch?         | 1.7
| Bug fix?        | yes
| New feature?    | no
| BC breaks?      | no
| Deprecations?   | no
| Related tickets | 
| License         | MIT

Should resolve:
```bash
PHP Fatal error:  Uncaught Psalm\Exception\TypeParseTreeException: Unterminated bracket in /home/travis/build/Sylius/Sylius/vendor/vimeo/psalm/src/Psalm/Internal/Type/ParseTree.php:571
Stack trace:
#0 /home/travis/build/Sylius/Sylius/vendor/vimeo/psalm/src/Psalm/Type.php(171): Psalm\Internal\Type\ParseTree::createFromTokens(Array)
#1 /home/travis/build/Sylius/Sylius/vendor/vimeo/psalm/src/Psalm/Internal/Visitor/ReflectorVisitor.php(2668): Psalm\Type::parseTokens(Array)
#2 /home/travis/build/Sylius/Sylius/vendor/vimeo/psalm/src/Psalm/Internal/Visitor/ReflectorVisitor.php(2207): Psalm\Internal\Visitor\ReflectorVisitor->getAssertionParts('array<array-key...', Object(PhpParser\Node\Stmt\Function_))
#3 /home/travis/build/Sylius/Sylius/vendor/vimeo/psalm/src/Psalm/Internal/Visitor/ReflectorVisitor.php(323): Psalm\Internal\Visitor\ReflectorVisitor->registerFunctionLike(Object(PhpParser\Node\Stmt\Function_))
#4 /home/travis/build/Sylius/Sylius/vendor/nikic/php-parser/lib/PhpParser/NodeTraverser.php(200): Psalm\Internal\Visitor\Reflect in /home/travis/build/Sylius/Sylius/vendor/vimeo/psalm/src/Psalm/Internal/Type/ParseTree.php on line 571
Fatal error: Uncaught Psalm\Exception\TypeParseTreeException: Unterminated bracket in /home/travis/build/Sylius/Sylius/vendor/vimeo/psalm/src/Psalm/Internal/Type/ParseTree.php:571
Stack trace:
#0 /home/travis/build/Sylius/Sylius/vendor/vimeo/psalm/src/Psalm/Type.php(171): Psalm\Internal\Type\ParseTree::createFromTokens(Array)
#1 /home/travis/build/Sylius/Sylius/vendor/vimeo/psalm/src/Psalm/Internal/Visitor/ReflectorVisitor.php(2668): Psalm\Type::parseTokens(Array)
#2 /home/travis/build/Sylius/Sylius/vendor/vimeo/psalm/src/Psalm/Internal/Visitor/ReflectorVisitor.php(2207): Psalm\Internal\Visitor\ReflectorVisitor->getAssertionParts('array<array-key...', Object(PhpParser\Node\Stmt\Function_))
#3 /home/travis/build/Sylius/Sylius/vendor/vimeo/psalm/src/Psalm/Internal/Visitor/ReflectorVisitor.php(323): Psalm\Internal\Visitor\ReflectorVisitor->registerFunctionLike(Object(PhpParser\Node\Stmt\Function_))
#4 /home/travis/build/Sylius/Sylius/vendor/nikic/php-parser/lib/PhpParser/NodeTraverser.php(200): Psalm\Internal\Visitor\Reflect in /home/travis/build/Sylius/Sylius/vendor/vimeo/psalm/src/Psalm/Internal/Type/ParseTree.php on line 571
```

Ref. https://travis-ci.org/github/Sylius/Sylius/jobs/682877325
Ref. amphp/amp#314

<!--
 - Bug fixes must be submitted against the 1.6 or 1.7 branches (the lowest possible)
 - Features and deprecations must be submitted against the master branch
 - Make sure that the correct base branch is set
-->


Commits
-------

f6819a2 [Maintenance] Upgrade psalm version

composer.json

@@ -135,7 +135,7 @@
         "symfony/dotenv": "^4.4",
         "symfony/flex": "^1.2",
         "symfony/web-profiler-bundle": "^4.4",
-        "vimeo/psalm": "3.7.2"
+        "vimeo/psalm": "^3.11"
     },
     "replace": {
         "sylius/addressing": "self.version",