minor #43532 added missing thai translations (shreyadenny)

This PR was squashed before being merged into the 4.4 branch.

Discussion
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added missing thai translations

| Q             | A
| ------------- | ---
| Branch?       | 4.4 <!-- see below -->
| Bug fix?      | no
| New feature?  | no <!-- please update src/**/CHANGELOG.md files -->
| Deprecations? | no <!-- please update UPGRADE-*.md and src/**/CHANGELOG.md files -->
| Tickets       | Fix #43459... <!-- prefix each issue number with "Fix #", no need to create an issue if none exist, explain below instead -->
| License       | MIT
 <!-- required for new features -->
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Commits
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724aeeb15e added missing thai translations

Author: fabpot

Resources/translations/validators.th.xlf

@@ -390,6 +390,10 @@
                 <source>This value should be a valid expression.</source>
                 <target>ค่านี้ควรเป็นนิพจน์ที่ถูกต้อง</target>
             </trans-unit>
+           <trans-unit id="101">
+                <source>This value is not a valid CSS color.</source>
+                <target>ค่านี้ไม่ใช่สี CSS ที่ถูกต้อง</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>

Resources/translations/validators.tl.xlf

@@ -390,6 +390,10 @@
                 <source>This value should be a valid expression.</source>
                 <target>Ang halagang ito ay dapat wastong ekspresyon.</target>
             </trans-unit>
+            <trans-unit id="101">
+                <source>This value is not a valid CSS color.</source>
+                <target>Ang halagang ito ay hindi wastong kulay ng CSS.</target>
+            </trans-unit>
         </body>
     </file>
  </xliff>