languages: Add module to TS/JS keywords (#36830)

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src="https://github.com/user-attachments/assets/ae32d74c-387b-4809-a0d6-cfa97888347d"
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Release Notes:

- Improved syntax highlights for `module` keyword in TS/JS

crates/languages/src/javascript/highlights.scm

@@ -231,6 +231,7 @@
   "implements"
   "interface"
   "keyof"
+  "module"
   "namespace"
   "private"
   "protected"

crates/languages/src/tsx/highlights.scm

@@ -237,6 +237,7 @@
   "implements"
   "interface"
   "keyof"
+  "module"
   "namespace"
   "private"
   "protected"

crates/languages/src/typescript/highlights.scm

@@ -248,6 +248,7 @@
   "is"
   "keyof"
   "let"
+  "module"
   "namespace"
   "new"
   "of"