docs(consensus): update decentralization guide #22253

Job	Run time
Get changed files	27s
CI for Prover Components	0s
E2E Test for Prover Components	0s
CI for Core lint Components	0s
Build prover images	0s
Build prover images with avx512 instructions	0s
CI for Core Components / loadtest (OLD)	16m 28s
CI for Core Components / loadtest (NEW)	16m 32s
CI for Core Components / unit-tests	26m 12s
CI for Core Components / integration-tests	22m 39s
CI for Docs / lint	7m 24s
Build contract verifier / Prepare contracts	7m 12s
Build core images / Prepare contracts	6m 59s
Build TEE Prover images / Build and Push Docker Images	6m 2s
CI for Common Components (prover or core) / build	11m 16s
CI for Core Components / lint / code_lint	12m 29s
Build core images / Build and Push Docker Images (server-v2, linux/amd64)	4m 58s
Build core images / Build and Push Docker Images (external-node, linux/amd64)	4m 27s
Build core images / Build and Push Docker Images (snapshots-creator, linux/amd64)	4m 36s
Build core images / Build and Push Docker Images (external-node, linux/arm64)	4m 44s
Build contract verifier / Build and Push Docker Images (contract-verifier, linux/amd64)	9m 27s
Build contract verifier / Build and Push Docker Images (verified-sources-fetcher, linux/amd64)	4m 52s
Build core images / Create release manifest	0s
Build contract verifier / Create release manifest	0s
Github Status Check	1s
	2h 46m 45s

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