Add automated release publishing workflow based on https://docs.githu…

…b.com/en/actions/creating-actions/releasing-and-maintaining-actions#setting-up-github-actions-workflows and https://github.com/github-developer/javascript-action/blob/main/.github/workflows/publish.yml.

.github/workflows/publish.yml

@@ -0,0 +1,24 @@
+name: Publish
+
+on:
+  release:
+    types: [published, edited]
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.release.tag_name }}
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+
+      # Compile dist/index.js and bundle with action.yml
+      # Force push major and minor tags, e.g. v1, v1.0
+      # See documentation: https://github.com/JasonEtco/build-and-tag-action
+      - uses: JasonEtco/build-and-tag-action@v2
+        env:
+          GITHUB_TOKEN: ${{ github.token }}

package.json

@@ -4,6 +4,7 @@
   "version": "1.0.1",
   "author": "Tyler Milner",
   "private": true,
+  "main": "dist/index.js",
   "homepage": "https://github.com/tylermilner/last-successful-commit-hash-action#readme",
   "repository": {
     "type": "git",