feat(languages): add latexmkrc to perl file-types (#14450)

Author: kpbaks

languages.toml

@@ -1702,7 +1702,22 @@ source = { git = "https://github.com/theHamsta/tree-sitter-glsl", rev = "88408ff
 [[language]]
 name = "perl"
 scope = "source.perl"
-file-types = ["pl", "pm", "t", "psgi", "raku", "rakumod", "rakutest", "rakudoc", "nqp", "p6", "pl6", "pm6"]
+file-types =[
+  "pl",
+  "pm",
+  "t",
+  "psgi",
+  "raku",
+  "rakumod",
+  "rakutest",
+  "rakudoc",
+  "nqp",
+  "p6",
+  "pl6",
+  "pm6",
+  {glob = "latexmkrc"},
+  {glob = ".latexmkrc"},
+]
 shebangs = ["perl"]
 comment-token = "#"
 language-servers = [ "perlnavigator" ]