docs: brand-aligned syntax theme for code blocks #2402

Job	Run time
Determine Image Tag	3s
lint / hadolint	8s
proto / buf-check	8s
lint / golangci-lint	36s
test / Go Mod Tidy Check	40s
lint / yamllint	10s
lint / goreleaser-check	8s
test / Run Integration Tests	2m 1s
test / Build All ev-node Binaries	1m 39s
test / Run Unit Tests	3m 38s
lint / markdown-lint	16s
docker / Build ev-node-grpc	18m 58s
docker / Build ev-node-evm	24m 42s
docker / Build ev-node-testapp	20m 24s
test / Run EVM Execution Tests	2m 17s
test / Run E2E System Tests	12m 38s
test / Combine and Upload Coverage	-1s
docker-tests / Docker Upgrade E2E Tests	3m 45s
docker-tests / Docker Compatibility E2E Tests	4m 15s
docker-tests / Docker E2E Tests	6m 48s
	1h 43m 13s

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