Update GitHub Action to publish extension on tag

fixes #86

Signed-off-by: Aurélien Pupier <[email protected]>

.github/CONTRIBUTING.md

@@ -1,11 +1,6 @@
 # Publishing a release
 
-See [Publishing Extensions](https://code.visualstudio.com/api/working-with-extensions/publishing-extension).
-
-```console
-# Change version in package.json first!
-$ vsce package
-$ vsce publish
-```
-
-Then cut a new GitHub release.
+* Ensure version in package.json has not been published yet. If already published, increase it (do nto forget package-lock.json). This kind of command be used: `npm version --no-git-tag-version patch`
+* Create a tag and potentially a GitHub release
+* Check GitHub Action `Publish Extension on tag` workflow has been triggered and is successful
+* It is a good habit to upgrade the version after a successful publish, for instance with this kind of command: `npm version --no-git-tag-version patch`

.github/workflows/publishTags.yml

@@ -3,22 +3,23 @@ on:
     tags:
       - "*"
 
-name: Deploy Extension
+name: Publish Extension on tag
 jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
-          node-version: 12
+          node-version: '16'
+          cache: 'npm'
       - run: npm ci
       - name: Publish to Open VSX Registry
-        uses: HaaLeo/publish-vscode-extension@v0
+        uses: HaaLeo/publish-vscode-extension@v1
         with:
           pat: ${{ secrets.OPEN_VSX_TOKEN }}
       - name: Publish to Visual Studio Marketplace
-        uses: HaaLeo/publish-vscode-extension@v0
+        uses: HaaLeo/publish-vscode-extension@v1
         with:
           pat: ${{ secrets.VS_MARKETPLACE_TOKEN }}
           registryUrl: https://marketplace.visualstudio.com