Bump vitest from 1.4.0 to 1.6.1 (#241)

* Bump vitest from 1.4.0 to 1.6.1

Bumps [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest) from 1.4.0 to 1.6.1.
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v1.6.1/packages/vitest)

---
updated-dependencies:
- dependency-name: vitest
  dependency-version: 1.6.1
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

* Updated launchdarkly adapter vitest config to fix ESM directory import issues

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Vincent Derks <vincent.derks@vercel.com>

packages/adapter-growthbook/package.json

@@ -64,7 +64,7 @@
     "tsup": "8.0.1",
     "typescript": "5.6.3",
     "vite": "5.4.21",
-    "vitest": "1.4.0"
+    "vitest": "1.6.1"
   },
   "publishConfig": {
     "access": "public"