refactor!: migrate away from bun

- migrate package management to pnpm
- migrate test suite to vitest
- also remove Anify integration

src/libs/anilist/anilist-do.ts

@@ -272,7 +272,7 @@ export class AnilistDurableObject extends DurableObject {
   }
 
   async fetchFromAnilist<Result = any, Variables = any>(
-    query: TypedDocumentNode<Result, Variables>,
+    queryString: string,
     variables: Variables,
     token?: string | undefined,
   ): Promise<Result> {
@@ -286,7 +286,7 @@ export class AnilistDurableObject extends DurableObject {
 
     // Use the query passed in, or fallback if needed (though we expect it to be passed)
     // We print the query to string
-    const queryString = print(query);
+    // const queryString = print(query);
 
     const response = await fetch(`${this.env.PROXY_URL}/proxy`, {
       method: "POST",