chore: prepare 0.4.0 release version (#953) #1075

Job	Run time
AWS (Ubuntu 26.04, S3 + SigV4, system AWS SDK)	30m 26s
AWS (Ubuntu 26.04, S3 + SigV4, bundled AWS SDK)	14m 39s
AWS (macOS 26 ARM64, S3, bundled AWS SDK)	15m 42s
	1h 0m 47s

Navigation Menu