1.2.1: Updates change-log and version #86

Job	Run time
apply-label-to-new-pr	5s
check-labels	2s
find-e2e-tests	3s
run-unit-test	51s
pull-docker-image	16s
e2e tests: /home/runner/work/async-substrate-interface/async-substrate-interface/btcli/tests/e2e_tests/test_root.py	1m 7s
e2e tests: /home/runner/work/async-substrate-interface/async-substrate-interface/btcli/tests/e2e_tests/test_wallet_creations.py	1m 26s
e2e tests: /home/runner/work/async-substrate-interface/async-substrate-interface/btcli/tests/e2e_tests/test_unstaking.py	2m 27s
e2e tests: /home/runner/work/async-substrate-interface/async-substrate-interface/btcli/tests/e2e_tests/test_staking_sudo.py	2m 5s
e2e tests: /home/runner/work/async-substrate-interface/async-substrate-interface/btcli/tests/e2e_tests/test_senate.py	2m 22s
e2e tests: /home/runner/work/async-substrate-interface/async-substrate-interface/btcli/tests/e2e_tests/test_children_hotkeys.py	1m 24s
e2e tests: /home/runner/work/async-substrate-interface/async-substrate-interface/btcli/tests/e2e_tests/test_wallet_interactions.py	2m 28s
	14m 36s

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