[OSS-ONLY] Update version and upgrade-test-configuration

[rishabhtanwar29]

Description

• Update versions from 14.15, 15.10 and 16.5 to 14.16, 15.11 and 16.6 respectively in upgrade-test-configuration.
• Rename 14_14/schedule file to 14_16/schedule, 15_9/schedule file to 15_11/schedule and 16_5/schedule file to 16_6/schedule.
• Bump Babelfish internal version from 16.6 to 16.7.
• Build ANTLR from 16.7 onwards.

Task: OSS-ONLY
Signed-off-by: Rishabh Tanwar [email protected]

Test Scenarios Covered

• Use case based -

• Boundary conditions -

• Arbitrary inputs -

• Negative test cases -

• Minor version upgrade tests -

• Major version upgrade tests -

• Performance tests -

• Tooling impact -

• Client tests -

Check List

• Commits are signed per the DCO using --signoff

By submitting this pull request, I confirm that my contribution is under the terms of the Apache 2.0 and PostgreSQL licenses, and grant any person obtaining a copy of the contribution permission to relicense all or a portion of my contribution to the PostgreSQL License solely to contribute all or a portion of my contribution to the PostgreSQL open source project.

For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[coveralls]

Pull Request Test Coverage Report for Build 11974637658

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 2 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-0.003%) to 74.709%

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Files with Coverage Reduction	New Missed Lines	%
contrib/babelfishpg_tds/src/backend/tds/tdsutils.c	2	73.8%

Totals
Change from base Build 11968528338:	-0.003%
Covered Lines:	45750
Relevant Lines:	61238

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💛 - Coveralls