Add Kafka 3.6 to the integration test matrix. #576

Job	Run time
check (macos-11.0)	6m 45s
check (macos-11.0)	6m 45s
check (windows-2019, cmake-build,libz-static,curl-static, cmake-build,libz-static,curl-static)	7m 2s
check (windows-2019, cmake-build,libz-static,curl-static, cmake-build,libz-static,curl-static)	7m 2s
check-minimal-versions	2m 43s
check-minimal-versions	2m 43s
lint	3m 30s
lint	3m 30s
check (ubuntu-20.04, tracing)	3m 46s
check (ubuntu-20.04, tracing)	3m 46s
test (7.5.1, 3.6)	5m 28s
test (7.5.1, 3.6)	5m 28s
check (ubuntu-20.04, cmake-build,ssl-vendored,gssapi-vendored,libz-static,curl-static,zstd, cmake...	4m 17s
check (ubuntu-20.04, cmake-build,ssl-vendored,gssapi-vendored,libz-static,curl-static,zstd, cmake...	4m 17s
test (7.5.1, 3.5)	5m 39s
test (7.5.1, 3.5)	5m 39s
test (5.3.1, 2.3)	5m 0s
test (5.3.1, 2.3)	5m 0s
test (5.0.3, 2)	5m 8s
test (5.0.3, 2)	5m 8s
test (4.1.3, 1.1)	4m 26s
test (4.1.3, 1.1)	4m 58s
	1h 48m 0s

Provide feedback