add writable volume for the genesis.blob for Forge PFNs #49993

Job	Run time
permission-check	2s
determine-docker-build-metadata	6s
file_change_determinator	11s
rust-images-consensus-only-perf-test	0s
rust-images-failpoints	0s
rust-images-performance	0s
rust-images / rust-all	17m 1s
indexer-grpc-e2e-tests	0s
forge-consensus-only-perf-test	0s
forge-framework-upgrade-test	0s
forge-multiregion-test	0s
cli-e2e-tests / run-cli-tests	5m 57s
faucet-tests-main / run-tests-main	0s
node-api-compatibility-tests / node-api-compatibility-tests	55s
forge-e2e-test / forge	13m 40s
forge-compat-test / forge	13m 40s
	51m 32s

Provide feedback