Add build versioning

.github/pull_request_template.md

@@ -1,13 +1,17 @@
 ## :bookmark_tabs: Summary
+
 Brief description about the content of your PR:
 
 Resolves #<your issue id here>
 
 ## :straight_ruler: Design Decisions
+
 Describe the way your implementation works or what design decisions you made if applicable:
 
 ### :clipboard: Tasks
+
 Make sure you
-- [ ] :book: have read the [contribution guidelines](https://github.com/mermaid-js/mermaid/blob/develop/CONTRIBUTING.md) 
-- [ ] :computer: have added unit/e2e tests (if appropriate) 
-- [ ] :bookmark: targeted `master` branch 
+
+- [ ] :book: have read the [contribution guidelines](https://github.com/mermaid-js/mermaid/blob/develop/CONTRIBUTING.md)
+- [ ] :computer: have added unit/e2e tests (if appropriate)
+- [ ] :bookmark: targeted `master` branch

.github/workflows/deploy.yml

@@ -19,8 +19,9 @@ jobs:
           npm i -g yarn
           yarn install
           yarn release
+          yarn version --prerelease --no-git-tag-version
           git config user.name github-actions
           git config user.email github-actions@github.com
           git add ./docs/*
-          git commit -m "Release"
+          git commit -m "Release $(yarn version --version)"
           git push

package.json

@@ -1,6 +1,6 @@
 {
   "name": "mermaid-live-editor",
-  "version": "1.2.2",
+  "version": "1.2.4-5",
   "license": "MIT",
   "devDependencies": {
     "cross-env": "^7.0.3",