chore(deps): update slackapi/slack-github-action action to v2.1.0 (#1077)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[slackapi/slack-github-action](https://redirect.github.com/slackapi/slack-github-action)
| action | minor | `v2.0.0` -> `v2.1.0` |

---

### Release Notes

<details>
<summary>slackapi/slack-github-action
(slackapi/slack-github-action)</summary>

###
[`v2.1.0`](https://redirect.github.com/slackapi/slack-github-action/compare/v2.0.0...v2.1.0)

[Compare
Source](https://redirect.github.com/slackapi/slack-github-action/compare/v2.0.0...v2.1.0)

</details>

---

### Configuration

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) (UTC).

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rebase/retry checkbox.

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again.

---

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---

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.github/actions/release-slack-bot/action.yml

@@ -11,7 +11,7 @@ runs:
   using: "composite"
   steps:
     # TODO: use python exec instead
-    - uses: slackapi/slack-github-action@v2.0.0
+    - uses: slackapi/slack-github-action@v2.1.0
       with:
         method: chat.postMessage
         token: ${{ inputs.slack-token }}

.github/workflows/test.yml

@@ -125,7 +125,7 @@ jobs:
           codecov_token: ${{ secrets.CODECOV_TOKEN }}
 
       - name: Notify parse tests failure
-        uses: slackapi/slack-github-action@v2.0.0
+        uses: slackapi/slack-github-action@v2.1.0
         if: failure() && github.event_name == 'push' && false
         with:
           webhook: ${{ secrets.SLACK_WEBHOOK_URL }}