[Validator] Fixed groups argument misplace for validateValue method from validator class
merged branch venu/groups_argument_fix (PR #8422)

This PR was merged into the 2.2 branch.

Discussion
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[Validator] Fixed groups argument misplace for validateValue method from validator class

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | n/a
| License       | MIT

Signature of validateValue method in ExecutionContext Class is this.
```
public function validateValue($value, $constraints, $subPath = '', $groups = null)
```

But this was called wrongly in Validator Class.

Commits
-------

d3eb9b7 [Validator] Fixed groups argument misplace for validateValue method from validator class