Update builder base image #1139

Job	Run time
Code linters	2m 23s
Build Docker image	1m 39s
Unit tests in ubuntu-20.04	17m 31s
Run PEEPS tests	15m 36s
Acceptance tests (basic \|\| basic-raft \|\| (advanced && raft) \|\| networks/typical::raft)	19m 56s
Acceptance tests (basic \|\| basic-istanbul \|\| (advanced && istanbul && !block-heights) \|\| networks/typical::istanbul)	21m 59s
Acceptance tests (basic \|\| basic-istanbul \|\| (advanced && istanbul && !block-heights) \|\| empty-block-period \|\| block-reward \|\| networks/typical::qbft)	20m 47s
Acceptance tests (validator-management && networks/template::istanbul-3plus1)	8m 14s
Acceptance tests (validator-management && networks/template::qbft-3plus1)	7m 39s
Acceptance tests (multitenancy && networks/plugins::raft-multitenancy)	6m 41s
Acceptance tests (migration && networks/template::istanbul-4nodes)	5m 19s
Acceptance tests (migration && networks/template::raft-4nodes)	4m 48s
Acceptance tests (basic \|\| networks/typical::raftmps)	16m 27s
Acceptance tests (basic \|\| networks/typical::istanbulmps)	21m 9s
Acceptance tests (basic \|\| networks/typical::qbftmps)	20m 31s
	3h 10m 39s

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