#0: [skip ci] Rename nightly L2 tests to something more sane + ping B…

…orys on failure (#18254)

### Ticket
Link to Github Issue

### Problem description
Provide context for the problem.

### What's changed
Describe the approach used to solve the problem.
Summarize the changes made and its impact.

### Checklist
- [ ] [All post
commit](https://github.com/tenstorrent/tt-metal/actions/workflows/all-post-commit-workflows.yaml)
CI passes
- [ ] [Blackhole Post
commit](https://github.com/tenstorrent/tt-metal/actions/workflows/blackhole-post-commit.yaml)
CI passes (if applicable)
- [ ] [Model
regression](https://github.com/tenstorrent/tt-metal/actions/workflows/perf-models.yaml)
CI passes (if applicable)
- [ ] [Device performance
regression](https://github.com/tenstorrent/tt-metal/actions/workflows/perf-device-models.yaml)
CI passes (if applicable)
- [ ] **(For models and ops writers)** Full [new models
tests](https://github.com/tenstorrent/tt-metal/actions/workflows/full-new-models-suite.yaml)
CI passes (if applicable)
- [ ] New/Existing tests provide coverage for changes

.github/workflows/_produce-data.yaml

@@ -44,6 +44,7 @@ on:
       - "Blackhole post-commit tests"
       - "Custom test dispatch"
       - "PR Gate"
+      - "Nightly tt-metal L2 tests"
     types:
       - completed
 

.github/workflows/tt-metal-l2-nightly.yaml

@@ -1,4 +1,4 @@
-name: "[internal] tt-metal l2 nightly tests"
+name: "Nightly tt-metal L2 tests"
 
 on:
   workflow_call:
@@ -78,4 +78,4 @@ jobs:
         if: ${{ failure() }}
         with:
           slack_webhook_url: ${{ secrets.SLACK_WEBHOOK_URL }}
-          owner: U07HTBQPHFG # Bryan Keith
+          owner: U06Q7ESTFEV # Borys Bradel