Use a single variable for repository name to simplify workflow

specification.

action.yml

@@ -5,11 +5,8 @@ inputs:
   githubToken:
     description: 'The GitHub authentication token to use in the action.'
     required: true
-  repoOwner:
-    description: 'The GitHub user or organisation that owns the plugin source repo.'
-    required: true
-  repoName:
-    description: 'The GitHub repository name of the plugin source repo.'
+  repository:
+    description: 'The GitHub repository name of the plugin source repo in format "user/repo-name".'
     required: true
   pagesBranch:
     description: 'The GitHub pages source branch on which the repository file is committed.'

main.js

@@ -48,13 +48,13 @@ async function commit(octokit, repo, branch, path, message, content) {
 async function run() {
   // Get input values.
   const githubToken = core.getInput('githubToken', { required: true });
-  const repoOwner = core.getInput('repoOwner', { required: true });
-  const repoName = core.getInput('repoName', { required: true });
+  const repository = core.getInput('repository', { required: true });
   const pagesBranch = core.getInput('pagesBranch', { required: true });
   const pagesFile = core.getInput('pagesFile', { required: true });
 
   const octokit = github.getOctokit(githubToken);
-  const repo = { owner: repoOwner, repo: repoName };
+  const repoParts = repository.split('/')
+  const repo = { owner: repoParts[0], repo: repoParts[1] };
 
   // Get the global plugin properties using the build yaml file.
   const buildConfig = await getYaml(octokit, repo, 'build.yaml');