CI: Add a scheduled dependency analysis job

FYI:
1. This job will be then used by 'buildkite-ci' and configured as a
'buildkite_pipeline_schedule' with a weekly frequently.
2. This job will also notify on the android-core-notifs slack channel
on a build failure.

.buildkite/schedules/dependency-analysis.yml

@@ -0,0 +1,24 @@
+# yaml-language-server: $schema=https://raw.githubusercontent.com/buildkite/pipeline-schema/main/schema.json
+---
+
+# Nodes with values to reuse in the pipeline.
+common_params:
+ # Common plugin settings to use with the `plugins` key.
+ - &common_plugins
+ - automattic/a8c-ci-toolkit#2.14.0
+
+# Run everything on the `android` queue
+agents:
+ queue: android
+
+steps:
+ - label: "dependency analysis"
+ command: |
+ echo "--- 📊 Analyzing"
+ ./gradlew buildHealth
+ plugins: *common_plugins
+ artifact_paths:
+ - "build/reports/dependency-analysis/build-health-report.*"
+ notify:
+ - slack: "#android-core-notifs"
+ if: build.state == "failed"