refactor!: migrate away from bun

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

tsconfig.json

@@ -1,36 +1,31 @@
 {
   "compilerOptions": {
-    "types": ["@types/bun"],
+    "types": [],
     "baseUrl": "./",
     "paths": {
       "~/*": ["src/*"]
     },
-
     // Enable latest features
     "lib": ["ESNext"],
     "target": "ESNext",
     "module": "ESNext",
-
     // Bundler mode
     "moduleResolution": "bundler",
     "allowImportingTsExtensions": true,
     "verbatimModuleSyntax": true,
     "noEmit": true,
-
     // Best practices
     "strict": true,
     "skipLibCheck": true,
     "noFallthroughCasesInSwitch": true,
-
     // Some stricter flags
     "noUnusedLocals": true,
     "noUnusedParameters": false,
     "noPropertyAccessFromIndexSignature": true,
-
     // plugins
     "plugins": [
       {
-        "name": "@0no-co/graphqlsp",
+        "name": "gql.tada/ts-plugin",
         "schema": "https://graphql.anilist.co",
         "tadaOutputLocation": "./src/types/anilist-graphql.d.ts"
       }