minor #59600 [Validator] Fix typo in validators.sk.xlf (pavol-tuka)

This PR was merged into the 6.4 branch.

Discussion
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[Validator] Fix typo in validators.sk.xlf

| Q             | A
| ------------- | ---
| Branch?       | 6.4
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| License       | MIT

Commits
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398e09a205a Fix typo in validators.sk.xlf

Author: fabpot

Resources/translations/validators.sk.xlf

@@ -336,7 +336,7 @@
             </trans-unit>
             <trans-unit id="87">
                 <source>This collection should contain only unique elements.</source>
-                <target>Táto kolekcia by mala obsahovať len unikátne prkvy.</target>
+                <target>Táto kolekcia by mala obsahovať len unikátne prvky.</target>
             </trans-unit>
             <trans-unit id="88">
                 <source>This value should be positive.</source>