fix(api_server): fix blob_gas length (#2673) #1731

Job	Run time
Setup	4s
Test changed-files	5s
Build and push images	0s
Build and push prover images with avx512 instructions	0s
Build and push images / Build and Push Docker Images (server-v2, linux/amd64)	10m 1s
Build and push images / Build and Push Docker Images (external-node, linux/amd64)	9m 42s
Build and push images / Build and Push Docker Images (snapshots-creator, linux/amd64)	8m 41s
Build and push images / Build and Push Docker Images (external-node, linux/arm64)	12m 1s
Build and push images / Build and Push Docker Images	2m 18s
Build and push images / Build and Push Docker Images (contract-verifier, linux/amd64)	13m 50s
Build and push images / Build and Push Docker Images (verified-sources-fetcher, linux/amd64)	7m 41s
Build GAR prover FRI GPU	0s
Build and push images / Create release manifest (server-v2, linux/amd64)	26s
Build and push images / Create release manifest (external-node, linux/amd64,linux/arm64)	31s
Build and push images / Create release manifest (snapshots-creator, linux/amd64)	23s
Build and push images / Create release manifest (contract-verifier, linux/amd64)	28s
Build and push images / Create release manifest (verified-sources-fetcher, linux/amd64)	24s
	1h 6m 35s

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