chore: Send notis to slack on release

.github/workflows/release-notification.yml

@@ -0,0 +1,59 @@
+name: Release notification
+on:
+  release:
+    types: [published]
+  workflow_dispatch:
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      # To check the github context
+      - name: Parse github event
+        env:
+          GITHUB_CONTEXT: ${{ toJSON(github) }}
+        run: echo "$GITHUB_CONTEXT"
+      - name: Send Slack notification on release
+        if: success()
+        uses: tokorom/action-slack-incoming-webhook@main
+        env:
+          INCOMING_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
+        with:
+          text: "test"
+          blocks: |
+            [
+              {
+                "type": "header",
+                "text": {
+                  "type": "plain_text",
+                  "text": "${{ github.event.release.tag_name}} is published!"
+                }
+              },
+              {
+                "type": "section",
+                "text": {
+                  "type": "mrkdwn",
+                  "text": "*Author:*\n${{ github.actor }}"
+                }
+              },
+               {
+                "type": "section",
+                "text": {
+                  "type": "mrkdwn",
+                  "text": "*Information:*"
+                }
+              },
+              {
+                "type": "section",
+                "text": {
+                  "type": "mrkdwn",
+                  "text": ${{ toJSON(github.event.release.body) }}
+                }
+              },
+              {
+                "type": "section",
+                "text": {
+                  "type": "mrkdwn",
+                  "text": "${{ github.event.release.html_url }}"
+                }
+              }
+            ]