Feat/bls improvements #728

Job	Run time
build	1m 29s
configure	1s
clippy	1m 19s
rust_tests	46s
tests_zemu_setup	1m 0s
build_ledger	1m 34s
test_zemu (0, /home/runner/work/ledger-icp/ledger-icp/tests_zemu/tests/candid.test.ts)	15m 0s
test_zemu (1, /home/runner/work/ledger-icp/ledger-icp/tests_zemu/tests/protobuf.test.ts)	10m 14s
test_zemu (2, /home/runner/work/ledger-icp/ledger-icp/tests_zemu/tests/bls.test.ts)	5m 36s
test_zemu (3, /home/runner/work/ledger-icp/ledger-icp/tests_zemu/tests/standard.test.ts)	5m 59s
test_zemu (4, /home/runner/work/ledger-icp/ledger-icp/tests_zemu/tests/addresses.test.ts)	5m 2s
size_nano_s	1s
build_package_nanos	0s
build_package_stax	0s
build_package_nanosp	0s
build_package_flex	0s
	48m 1s

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