fix(build): migrate project config and tests to updated git.zone tooling

test/test.fastmap.both.ts

@@ -1,4 +1,4 @@
-import { tap, expect } from '@push.rocks/tapbundle';
+import { tap, expect } from '@git.zone/tstest/tapbundle';
 import * as lik from '../ts/index.js';
 
 tap.test('should create a valid fastmap', async () => {
@@ -24,6 +24,9 @@ tap.test('should find an entry', async () => {
   const result = await fastmap.find(async (itemArg) => {
     return itemArg.value2 === 'heyho4';
   });
+  if (!result) {
+    throw new Error('Expected fastmap.find() to return a matching entry');
+  }
   expect(result.value1).toEqual('heyho3');
 });