Update documentation and changelog

docs/pages/pmd/userdocs/cpd/cpd.md

@@ -122,7 +122,7 @@ Novice as much as advanced readers may want to [read on on Refactoring Guru](htt
     {% include custom/cli_option_row.html options="--ignore-literal-sequences"
                description="Ignore sequences of literals (common e.g. in list initializers)"
                default="false"
-               languages="C#, C++"
+               languages="C#, C++, Lua"
     %}
     {% include custom/cli_option_row.html options="--ignore-usings"
                description="Ignore `using` directives in C# when comparing text"

docs/pages/release_notes.md

@@ -14,13 +14,22 @@ This is a {{ site.pmd.release_type }} release.
 
 ### New and noteworthy
 
+#### Luau Support
+
+This release of PMD brings support for [Luau](https://github.com/Roblox/luau), a gradually typed language derived from Lua.
+
 ### Fixed Issues
 * [#4116](https://github.com/pmd/pmd/pull/4116): \[core] Missing --file arg in TreeExport CLI example
 
 ### API Changes
 
+#### CPD CLI
+
+* CPD now supports the `--ignore-literal-sequences` argument when analyzing Lua code.
+
 ### External Contributions
 * [#4116](https://github.com/pmd/pmd/pull/4116): \[core] Fix missing --file arg in TreeExport CLI example - [@mohan-chinnappan-n](https://github.com/mohan-chinnappan-n)
+* [#4066](https://github.com/pmd/pmd/pull/4066): \[lua] Add support for Luau syntax and skipping literal sequences in CPD - [@matthargett](https://github.com/matthargett)
 
 {% endtocmaker %}