chore(deps): update dawidd6/action-send-mail action to v16 (#278)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yml

@@ -195,7 +195,7 @@ jobs:
           egress-policy: audit
 
       - name: Send email notification
-        uses: dawidd6/action-send-mail@4758fd2f0eab31f80897dc291e43c3867cce37bf # v15
+        uses: dawidd6/action-send-mail@d38f3f7cd391cdebfe0d38efc3998b935e951c4f # v16
         with:
           server_address: smtp.gmail.com
           server_port: 587