update changelog for release 4.6.5 #1758

Job	Run time
latest_jdk (ubuntu-latest, core)	2m 8s
supported_jdks (core, 17)	2m 25s
latest_jdk (ubuntu-latest, consumer -x :consumer:junit:clojureTest)	3m 15s
latest_jdk (ubuntu-latest, provider)	3m 38s
supported_jdks (core, 18)	2m 0s
latest_jdk (ubuntu-latest, pact-specification-test)	1m 32s
latest_jdk (windows-latest, core)	3m 14s
supported_jdks (consumer, 17)	3m 48s
supported_jdks (consumer, 18)	3m 21s
supported_jdks (provider, 17)	4m 9s
latest_jdk (windows-latest, consumer -x :consumer:junit:clojureTest)	4m 29s
supported_jdks (provider, 18)	3m 32s
latest_jdk (windows-latest, provider)	5m 40s
supported_jdks (pact-specification-test, 17)	1m 42s
latest_jdk (windows-latest, pact-specification-test)	2m 36s
supported_jdks (pact-specification-test, 18)	1m 32s
latest_jdk (macos-latest, core)	3m 33s
latest_jdk (macos-latest, consumer -x :consumer:junit:clojureTest)	5m 45s
latest_jdk (macos-latest, provider)	5m 13s
latest_jdk (macos-latest, pact-specification-test)	2m 54s
	1h 6m 26s

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