Add notification channel for build pipeline

[randomanderson]

What does this PR do?
Adds a notification channel for the build pipeline

Motivation:
One-pipeline added notification messages for failed releases. More notifications may be added in the future

Change log entry

[github-actions]

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^{Visited at: 2025-02-19 21:18:57 UTC}

[datadog-datadog-prod-us1]

Datadog Report

Branch report: landerson/notification
Commit report: b5d0766
Test service: dd-trace-rb

✅ 0 Failed, 20607 Passed, 1372 Skipped, 3m 7.2s Total Time

[pr-commenter]

Benchmarks

Benchmark execution time: 2025-02-19 21:40:20

Comparing candidate commit b5d0766 in PR branch landerson/notification with baseline commit f710dac in branch master.

Found 0 performance improvements and 1 performance regressions! Performance is the same for 30 metrics, 2 unstable metrics.

scenario:tracing - Propagation - Datadog

• 🟥 throughput [-3500.114op/s; -3417.257op/s] or [-10.562%; -10.312%]