Tests

Cleanup chats after 7days to avoid huge files #1173

Job	Run time
jvm-integration-test (windows-latest, 24)	5m 11s
unit-test (macos-latest, 24)	1m 54s
graalvm-build	5m 17s
jvm-integration-test (macos-latest, 24)	6m 2s
jvm-integration-test (ubuntu-24.04, 24)	2m 41s
unit-test (ubuntu-24.04, 24)	42s
unit-test (windows-latest, 24)	1m 8s
nix-build	0s
graalvm-integration-test	57s
	23m 52s

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