fix: inherit process.env in restyle process

This allows `restyle` to look at thing such as `GITHUB_ACTIONS` to
modify it's behavior when being run in this context. This can be useful
to adjust logging, since the ANSI support isn't exactly the same.

Author: pbrisbin

Diff for: run/src/main.ts

@@ -58,6 +58,7 @@ async function run() {
 
     const ec = await exec.exec("restyle", args, {
       env: {
+        ...process.env,
         GITHUB_TOKEN: inputs.githubToken,
         GIT_AUTHOR_EMAIL: inputs.committerEmail,
         GIT_AUTHOR_NAME: inputs.committerName,