refactor!: migrate away from bun

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

src/libs/test/getTestEnv.ts

@@ -1,3 +1,5 @@
+import { env } from "cloudflare:test";
+
 /** Should only be used when it doesn't make sense for 'Bindings' or 'Variables' to be set. Otherwise, use getTestEnv(). */
 export function getTestEnvVariables(): Cloudflare.Env {
   return getTestEnv();
@@ -5,14 +7,11 @@ export function getTestEnvVariables(): Cloudflare.Env {
 
 export function getTestEnv({
   ADMIN_SDK_JSON = '{"client_email": "test@test.com", "project_id": "test-26g38"}',
-  ENABLE_ANIFY = "true",
-  TURSO_AUTH_TOKEN = "123",
-  TURSO_URL = "http://127.0.0.1:3001",
+  LOG_DB_QUERIES = "false",
 }: Partial<Cloudflare.Env> = {}): Cloudflare.Env {
   return {
+    ...env,
     ADMIN_SDK_JSON,
-    ENABLE_ANIFY,
-    TURSO_AUTH_TOKEN,
-    TURSO_URL,
+    LOG_DB_QUERIES,
   };
 }