Added the capability to override the GitHub user

.changeset/khaki-geese-speak.md

@@ -0,0 +1,5 @@
+---
+"@changesets/action": minor
+---
+
+Added the capability to override the GitHub username used to create the PullRequest

README.md

@@ -13,6 +13,7 @@ This action for [Changesets](https://github.com/atlassian/changesets) creates a
 - setupGitUser - Sets up the git user for commits as `"github-actions[bot]"`. Default to `true`
 - createGithubReleases - A boolean value to indicate whether to create Github releases after `publish` or not. Default to `true`
 - cwd - Changes node's `process.cwd()` if the project is not located on the root. Default to `process.cwd()`
+- gitHubUser - Sets the GitHub user that will author the PR, defaults to `"github-actions[bot]"`
 
 ### Outputs
 

src/index.ts

@@ -28,9 +28,10 @@ const getOptionalInput = (name: string) => core.getInput(name) || undefined;
   }
 
   core.info("setting GitHub credentials");
+  const gitHubUser = core.getInput("gitHubUser") ? core.getInput("gitHubUser") : "github-actions[bot]";
   await fs.writeFile(
     `${process.env.HOME}/.netrc`,
-    `machine github.com\nlogin github-actions[bot]\npassword ${githubToken}`
+    `machine github.com\nlogin ${gitHubUser}\npassword ${githubToken}`
   );
 
   let { changesets } = await readChangesetState();