chore(deps): update dependency go to 1.21 #917

Job	Run time
Build integration for (linux, amd64)	42s
Build integration for (linux, arm64)	38s
Build integration for (linux, arm)	42s
Helm chart Lint (v1.23.17)	18s
Helm chart Lint (v1.24.17)	13s
Helm chart Lint (v1.25.13)	23s
Helm chart Lint (v1.26.8)	16s
Helm chart Lint (v1.27.5)	13s
Static analysis and linting	1m 9s
Unit tests	31s
Kubernetes E2E tests (v1.23.17)	2m 6s
Kubernetes E2E tests (v1.24.17)	1m 29s
Kubernetes E2E tests (v1.25.13)	2m 15s
Kubernetes E2E tests (v1.26.8)	1m 48s
Kubernetes E2E tests (v1.27.5)	1m 46s
	14m 29s

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