Update to changesets v3 packages (#673)

* Update to changesets v3 packages

* Dedupe

* Fix test

* Fix test 2

* update more

---------

Co-authored-by: Mateusz Burzyński <mateuszburzynski@gmail.com>

src/pr-status/worktree.test.ts

@@ -1,6 +1,6 @@
 import { pathToFileURL } from "node:url";
 import type * as github from "@actions/github";
-import getReleasePlan from "@changesets/get-release-plan";
+import { getReleasePlan } from "@changesets/get-release-plan";
 import { createFixture } from "fs-fixture";
 import { exec } from "tinyexec";
 import { describe, expect, it } from "vitest";
@@ -28,6 +28,7 @@ describe("getPullRequestWorktree", () => {
         private: true,
         workspaces: ["packages/*"],
       }),
+      "package-lock.json": "",
       "packages/pkg-a/package.json": JSON.stringify({
         name: "pkg-a",
         version: "1.0.0",