Tests

Add dynamic model discovery via /models endpoint #840

Job	Run time
unit-test (windows-latest, 24)	1m 11s
unit-test (macos-latest, 24)	2m 12s
unit-test (ubuntu-22.04, 24)	47s
graalvm-build	5m 23s
jvm-integration-test (macos-latest, 24)	5m 30s
jvm-integration-test (windows-latest, 24)	4m 16s
jvm-integration-test (ubuntu-22.04, 24)	2m 41s
nix-build	6m 59s
graalvm-integration-test	39s
	29m 38s

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