feat: support tokens scoped to multiple repositories within organization (#46)

Co-authored-by: Gregor Martynus <39992+gr2m@users.noreply.github.com>
Co-authored-by: Parker Brown <17183625+parkerbxyz@users.noreply.github.com>

main.js

@@ -10,15 +10,20 @@ if (!process.env.GITHUB_REPOSITORY) {
   throw new Error("GITHUB_REPOSITORY missing, must be set to '<owner>/<repo>'");
 }
 
+if (!process.env.GITHUB_REPOSITORY_OWNER) {
+  throw new Error("GITHUB_REPOSITORY_OWNER missing, must be set to '<owner>'");
+}
+
 const appId = core.getInput("app_id");
 const privateKey = core.getInput("private_key");
-
-const repository = process.env.GITHUB_REPOSITORY;
+const owner = core.getInput("owner");
+const repositories = core.getInput("repositories");
 
 main(
   appId,
   privateKey,
-  repository,
+  owner,
+  repositories,
   core,
   createAppAuth,
   request.defaults({