chore(gha): bump slackapi/slack-github-action from 1.27.0 to 2.0.0 (#386)

Author: dependabot[bot]

.github/workflows/slack-send-message.yml

@@ -13,43 +13,31 @@ on:
 jobs:
   send:
     runs-on: ${{ vars.RUNNER_UBUNTU }}
+    env:
+      SLACK_CHANNEL: ${{ inputs.channel-or-user }} # sanitize user inputs
     steps:
       - name: Send message to Slack
-        uses: slackapi/slack-github-action@v1.27.0
+        uses: slackapi/slack-github-action@v2.0.0
         with:
-          channel-id: ${{ github.event.inputs.channel-or-user }}
+          errors: true
+          method: chat.postMessage
+          token: ${{ secrets.SLACK_BOT_TOKEN }}
           payload: |
-            {
-              "blocks": [
-                {
-                  "type": "header",
-                  "text": {
-                    "type": "plain_text",
-                    "text": ":mega: This is a test from the ${{github.repository}} repository",
-                    "emoji": true
-                  }
-                },
-                {
-                  "type": "divider"
-                },
-                {
-                  "type": "section",
-                  "text": {
-                    "type": "mrkdwn",
-                    "text": "- available <https://github.com/${{github.repository}}/releases|Releases> :heavy_check_mark: \n - Check packages published on <https://www.npmjs.com/package/bpmn-visualization|NPM> :heavy_check_mark:"
-                  }
-                },
-                {
-                  "type": "divider"
-                },
-                {
-                  "type": "section",
-                  "text": {
-                    "type": "mrkdwn",
-                    "text": "See the next steps <https://github.com/${{github.repository}}/blob/master/docs/contributors/maintainers.md#github-issues-milestones-and-projects-update|here> :arrow_left:"
-                  }
-                }
-              ]
-            }
-        env:
-          SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}
+            channel: ${{ env.SLACK_CHANNEL }}
+            text: "This is a test from the ${{github.repository}} repository"
+            blocks:
+              - type: "header"
+                text:
+                  type: "plain_text"
+                  text: ":mega: This is a test from the ${{github.repository}} repository"
+                  emoji: true
+              - type: "divider"
+              - type: "section"
+                text:
+                  type: "mrkdwn"
+                  text: "- available <https://github.com/${{github.repository}}/releases|Releases> :heavy_check_mark: \n - Check packages published on <https://www.npmjs.com/package/bpmn-visualization|NPM> :heavy_check_mark:"
+              - type: "divider"
+              - type: "section"
+                text:
+                  type: "mrkdwn"
+                  text: "See the next steps <https://github.com/${{github.repository}}/blob/master/docs/contributors/maintainers.md#github-issues-milestones-and-projects-update|here> :arrow_left:"