Bump patch version to 1.1.6 #7818

Job	Run time
Build and test (warp-ubuntu-latest-x64-16x)	4m 51s
Validate Restate UI artifact	4s
Create docker image / build-and-push-image	14m 32s
Run SDK-Java integration tests with KafkaIngressNext / Features integration test	6m 22s
Run SDK-Go integration tests / Features integration test (sdk-test-suite version 2.1)	2m 46s
Run SDK-Java integration tests with DisableIdempotencyTable / Features integration test	6m 20s
Run SDK-Java integration tests / Features integration test	6m 19s
Run SDK-Java integration tests with InvocationStatusKilled / Features integration test	6m 18s
Run SDK-Python integration tests / Features integration test (sdk-test-suite version 2.0)	5m 33s
Run SDK-Rust integration tests / Features integration test (sdk-test-suite version 2.0)	4m 55s
Run SDK-Typescript integration tests / Features integration test (sdk-test-suite version 2.1)	4m 25s
	1h 2m 25s

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