minor improvement regarding JSON marshal (#737) #39

Job	Run time
Generate Docker Tags	1s
License Check / license-check	31s
Lint / golangci-lint	1m 13s
E2E Tests / Build Docker image	1m 23s
Run Unit Tests / test_coverage	2m 0s
Run Unit Tests / unit_tests (1.22.x, ubuntu-latest)	1m 8s
Run Unit Tests / unit_tests (1.22.x, macos-latest)	57s
Run Unit Tests / unit_tests (1.22.x, windows-latest)	3m 21s
Run Unit Tests / unit_tests (1.19.x, ubuntu-latest)	1m 0s
Run Unit Tests / unit_tests (1.20.x, ubuntu-latest)	1m 1s
Run Unit Tests / unit_tests (1.21.x, ubuntu-latest)	59s
E2E Tests / Run Tests	1m 14s
Publish Docker Image / Build and Push Docker Image	12m 10s
Notify Slack	0s
	26m 58s

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