feat: Bot warning when mentioning users not in a channel #12817

Job	Run time
⚙️ Variables Setup	3s
📦 Build Packages	8m 7s
📦 Meteor Build - coverage	16m 5s
🔨 Test Unit / Unit Tests	2m 41s
🔎 Code Check / TypeScript	3m 53s
🔎 Code Check / Code Lint	27m 58s
🚢 Build Docker Images for Testing (official)	5m 53s
🚢 Build Docker Images for Testing (alpine)	9m 5s
🚢 Build Docker Image (preview)	0s
🔨 Test API (CE) / MongoDB 4.4 (1/1)	8m 7s
🔨 Test API (CE) / MongoDB 6.0 (1/1)	10m 6s
🔨 Test API (EE) / MongoDB 4.4 (1/1)	11m 25s
🔨 Test UI (CE) / MongoDB 4.4 (1/4)	12m 18s
🔨 Test UI (CE) / MongoDB 4.4 (2/4)	11m 1s
🔨 Test UI (CE) / MongoDB 4.4 (3/4)	10m 20s
🔨 Test UI (EE) / MongoDB 4.4 (1/5)	16m 3s
🔨 Test UI (CE) / MongoDB 4.4 (4/4)	13m 19s
🔨 Test UI (CE) / MongoDB 6.0 (1/4)	11m 56s
🔨 Test UI (EE) / MongoDB 4.4 (2/5)	13m 28s
🔨 Test UI (CE) / MongoDB 6.0 (2/4)	13m 51s
🔨 Test UI (EE) / MongoDB 4.4 (3/5)	15m 13s
🔨 Test UI (EE) / MongoDB 4.4 (4/5)	12m 0s
🔨 Test UI (CE) / MongoDB 6.0 (3/4)	10m 0s
🔨 Test UI (EE) / MongoDB 4.4 (5/5)	14m 2s
🔨 Test UI (CE) / MongoDB 6.0 (4/4)	11m 49s
✅ Tests Done	0s
📦 Meteor Build - official	0s
🚢 Build Docker Images for Production	0s
🚀 Publish build assets	0s
🚀 Publish Docker Image (services)	0s
🚀 Publish Docker Image (main)	0s
🚀 Notify external services	0s
trigger-dependent-workflows	0s
	4h 28m 43s

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