version 1.2.0-RC1

Changes

• [bolt] #569 #571 #574 Steps from Apps support - Thanks @seratch @misscoded
• [bolt] #572 Add appId to Installer and Bot model classes - Thanks @mihristov @seratch
• [bolt] #573 Improve the compatibility with Bolt for JS / Python - Thanks @seratch
• [bolt-google-cloud-functions] #498 #550 Add Google Cloud Functions support - Thanks @seratch
• [bolt-helion] Upgrade Helidon SE version from 1.4 to 2.0 - Thanks @seratch
• [slack-api-client] #566 #568 Stop propagation of okhttp's exception message including header values - Thanks @AlexeiZenin @seratch
• [slack-api-client] Add new fields to Audit Logs API response - Thanks @seratch
• [slack-api-client] Upgrade okhttp version from 4.8 to 4.9 - Thanks @seratch
• [*-kotlin-extensions] Upgrade Kotlin language version from 1.3 to 1.4 - Thanks @seratch

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• All issues/pull requests: https://github.com/slackapi/java-slack-sdk/milestone/3?closed=1
• All changes: v1.1.6...v1.2.0-RC1