Use GitHub API for pushes by default and require explicit github-token when using custom tokens (#692)

* Ensure `github-token` wins for `git-cli` pushes

* more shenanigans

* Default to GitHub API commit mode

* e2e auth tests

* push missing utils

* rename input

* refactor

* refactor

* refactor

* refactor

* refactor

* refactor

* reuse helpers

* refactor

* refactor

* simplify

* add tests

* refactor

* improve comments

* shift helper

* add comments

* extract test helpers

* update docs and changesets

* update one thing

src/pr-status/worktree.ts

@@ -5,6 +5,7 @@ import path from "node:path";
 import type * as github from "@actions/github";
 import { isRepoShallow } from "@changesets/git";
 import { exec } from "tinyexec";
+import { moveDisposable, type WithAsyncDispose } from "../utils.ts";
 
 type PullRequestContext = NonNullable<
   typeof github.context.payload.pull_request
@@ -122,22 +123,6 @@ async function tempWorktree(cwd: string, dir: string, ref: Ref) {
   };
 }
 
-type WithAsyncDispose<T> = T & {
-  [Symbol.asyncDispose](): Promise<void>;
-};
-
-function moveDisposable<T extends object>(
-  stack: AsyncDisposableStack,
-  value: T,
-): WithAsyncDispose<T> {
-  const moved = stack.move();
-  return Object.assign(value, {
-    async [Symbol.asyncDispose]() {
-      await moved.disposeAsync();
-    },
-  });
-}
-
 export async function getPullRequestWorktree(
   context: PullRequestContext,
   cwd: string = process.cwd(),