0.21.0-rc3

✨ New Features

• 8ed04d8 - inbound: switch to simplified input mappings (commit by @chillleader)

🐛 Bug Fixes

• 270edf7 - deps: update aws-java-sdk monorepo to v1.12.502 (commit by @renovate[bot])
• 6a9f6b5 - slack,inbound: update template property (commit by @igpetrov)
• 4c39e0b - deps: update aws-java-sdk monorepo to v1.12.503 (commit by @renovate[bot])
• 3b42474 - deps: update dependency com.google.protobuf:protobuf-java to v3.23.4 (commit by @renovate[bot])

🔧 Chores

• 2a56797 - deps: update hashicorp/vault-action action to v2.7.2 (commit by @renovate[bot])