Tests

Make `bls.Signer` api fallible #10760

Job	Run time
Fuzz	5m 42s
e2e	5m 44s
e2e_existing_network	5m 15s
Up-to-date protobuf	15s
Lint	3m 41s
Protobuf Lint	7s
Unit (macos-14)	4m 5s
Upgrade	3m 33s
Up-to-date mocks	2m 34s
Unit (ubuntu-20.04)	3m 43s
Unit (ubuntu-22.04)	3m 49s
Unit (ubuntu-24.04)	5m 41s
Run bootstrap monitor e2e tests	5m 42s
Up-to-date go.mod and go.sum	18s
Unit (windows-2022)	5m 33s
Unit (custom-arm64-jammy)	5m 42s
Unit (custom-arm64-noble)	5m 42s
Build Antithesis avalanchego images	5m 40s
Build Antithesis xsvm images	5m 42s
Image build	5m 40s
	1h 24m 8s

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