action-allowlist-review: bump dawidd6/action-send-mail (#968)

Bumps [dawidd6/action-send-mail](https://github.com/dawidd6/action-send-mail) from 17 to 18.
- [Release notes](https://github.com/dawidd6/action-send-mail/releases)
- [Commits](dawidd6/action-send-mail@42942bc...94de994)

---
updated-dependencies:
- dependency-name: dawidd6/action-send-mail
  dependency-version: '18'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/actions/for-dependabot-triggered-reviews/action.yml

@@ -103,7 +103,7 @@ runs:
       if: false
     - uses: DavidAnson/markdownlint-cli2-action@ded1f9488f68a970bc66ea5619e13e9b52e601cd  # v23.2.0
       if: false
-    - uses: dawidd6/action-send-mail@42942bc2f8fba4e611b459a018967a6a7c78c68c  # v17
+    - uses: dawidd6/action-send-mail@94de994a9f6fffee200243214e17002e2920bb59  # v18
       if: false
     - uses: dependabot/fetch-metadata@25dd0e34f4fe68f24cc83900b1fe3fe149efef98  # v3.1.0
       if: false