feat: show workflow name in deafult commit message

Ref: #64

README.md

@@ -35,7 +35,7 @@ Add a step like this to your workflow:
     cwd: './path/to/the/repo'
 
     # The message for the commit
-    # Default: 'Commit from GitHub Actions'
+    # Default: 'Commit from GitHub Actions (name of the workflow)'
     message: 'Your commit message'
 
     # The arguments for the `git rm` command (see the paragraph below for more info)

action.yml

@@ -22,7 +22,6 @@ inputs:
   message:
     description: The message for the commit
     required: false
-    default: Commit from GitHub Actions
   remove:
     description: Arguments for the git rm command
     required: false

src/main.ts

@@ -162,6 +162,11 @@ async function checkInputs() {
   info(`> Using '${getInput('author_name')} <${getInput('author_email')}>' as author.`)
   // #endregion
 
+  // #region message
+  setDefault('message', `Commit from GitHub Actions (${process.env.GITHUB_WORKFLOW})`)
+  info(`> Using "${getInput('message')}" as commit message.`)
+  // #endregion
+
   // #region branch
   const branch = setDefault('branch', defaultBranch || '')
   if (isPR) info(`> Running for a PR, the action will use '${branch}' as ref.`)