Changelog cache busting 🔧 (#3047)

## Description:

Added cache busting for `changelog.md`

## Please complete the following:

- [X] I have added screenshots for all UI updates
- [X] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [X] I have added relevant tests to the test directory
- [X] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced

## Please put your Discord username so you can be contacted if a bug or
regression is found:

FloPinguin

src/client/NewsModal.ts

@@ -65,7 +65,7 @@ export class NewsModal extends BaseModal {
   protected onOpen(): void {
     if (!this.initialized) {
       this.initialized = true;
-      fetch(changelog)
+      fetch(`${changelog}?v=${encodeURIComponent(version.trim())}`)
         .then((response) => (response.ok ? response.text() : "Failed to load"))
         .then((markdown) =>
           markdown