Chore: notify on CI periodic run failures in Zulip (#12593)

<img width="803" alt="Screenshot 2024-12-10 at 14 35 09"
src="https://github.com/user-attachments/assets/535f7dbc-7bfd-4cd9-b4e0-b4fb4fd8eec5">

.github/workflows/ci_nightly.yml

@@ -1,4 +1,4 @@
-name: CI
+name: CI Nightly
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -36,6 +36,20 @@ jobs:
       - uses: taiki-e/install-action@9b5b983efc779f85e5e5d11539f005e85ccb27ff
         with:
           tool: just,cargo-nextest
-
       # Run the tests:
-      - run: just nextest-slow ${{ matrix.type }}
+      - uses: mathiasvr/command-output@34408ea3d0528273faff3d9e201761ae96106cd0
+        with:
+          run: just nextest-slow ${{ matrix.type }}
+        id: run_nextest
+
+      - name: Notify in Zulip about failures
+        uses: zulip/github-actions-zulip/send-message@08b6fbd07f5834e5b930a85bc7740e9fd44ab2e7
+        if: always() && steps.run_nextest.conclusion == 'failure'
+        with:
+          api-key: ${{ secrets.ZULIP_API_KEY }}
+          email: "gha-bot@near.zulipchat.com"
+          organization-url: "https://near.zulipchat.com"
+          to: "nearone/private"
+          type: "stream"
+          topic: "GHA failures"
+          content: "Cargo Nextest ${{matrix.name}} [failed](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}): \n > ${{ steps.run_nextest.outputs.stderr }} "