docs: added v0.2.4 release notes (#246) #30

Job	Run time
tests / unit-tests	1m 16s
tests / integration-tests	5m 26s
build / build-docker-images-and-push	4m 9s
build / build-binary (windows/arm64)	47s
build / build-binary (windows/amd64)	49s
build / build-binary (darwin/amd64)	45s
build / build-binary (darwin/arm64)	39s
build / build-binary (linux/amd64)	31s
build / build-binary (linux/arm64)	51s
build / build-binary (linux/arm/v6)	38s
build / build-binary (linux/arm/v7)	46s
build / build-binary (linux/ppc64le)	40s
build / build-binary (linux/riscv64)	41s
build / build-binary (linux/s390x)	48s
docs / deploy-docs	1m 31s
	20m 17s

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