minor symfony#52366 [Validator] updated Romanian translation (thunderer)

This PR was merged into the 5.4 branch.

Discussion
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[Validator] updated Romanian translation

| Q             | A
| ------------- | ---
| Branch?       | 5.4
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Issues        | symfony#52215
| License       | MIT

Missing Romanian translation with help from a native speaker.

Commits
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47dcc36 [Validator] updated Romanian translation

Author: stof

src/Symfony/Component/Validator/Resources/translations/validators.ro.xlf

@@ -390,6 +390,10 @@
                 <source>This value should be a valid expression.</source>
                 <target>Această valoare ar trebui să fie o expresie validă.</target>
             </trans-unit>
+            <trans-unit id="101">
+                <source>This value is not a valid CSS color.</source>
+                <target>Această valoare nu este o culoare CSS validă.</target>
+            </trans-unit>
             <trans-unit id="102">
                 <source>This value is not a valid CIDR notation.</source>
                 <target>Această valoare nu este o notație CIDR validă.</target>