version 1.39.1

Changes

• [slack-api-client] #1298 Mark files.upload / rtm.connect as deprecated - Thanks @seratch
• [slack-api-client] #1310 Fix #1308 repsonse_metadata is missing in admin.initeRequests.list/*.list response classes - Thanks @Dunkhell @seratch
• [slack-api-client] Add new properties to Web API responses - Thanks @seratch

Test improvements:

• #1296 #892 Run all tests using JDK 17 - Thanks @hrothwell
• #1302 Fix codecov CI errors - Thanks @seratch

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• All issues/pull requests: https://github.com/slackapi/java-slack-sdk/milestone/96?closed=1
• All changes: v1.39.0...v1.39.1