Add a new set of tests, and increase time offset to 12 minutes #648

Job	Run time
rust_tests	1m 16s
clippy	1m 20s
configure	1s
build	1m 10s
tests_zemu_setup	42s
build_ledger	1m 29s
test_zemu (0, /home/runner/work/ledger-icp/ledger-icp/tests_zemu/tests/candid.test.ts)	10m 7s
test_zemu (1, /home/runner/work/ledger-icp/ledger-icp/tests_zemu/tests/protobuf.test.ts)	7m 44s
test_zemu (2, /home/runner/work/ledger-icp/ledger-icp/tests_zemu/tests/bls.test.ts)	4m 29s
test_zemu (3, /home/runner/work/ledger-icp/ledger-icp/tests_zemu/tests/standard.test.ts)	4m 55s
test_zemu (4, /home/runner/work/ledger-icp/ledger-icp/tests_zemu/tests/addresses.test.ts)	4m 32s
size_nano_s	1s
build_package_stax	0s
build_package_nanosp	0s
build_package_flex	0s
build_package_nanos	0s
	37m 46s

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