feat: change encryption to aes-cbc #22

Job	Run time
lint / bundle / checkbundle (3.10)	23s
lint / prettier / checkprettier (3.10)	25s
lint / black (3.12) / checkblack (3.12)	59s
lint / black (3.11) / checkblack (3.11)	1m 0s
lint / black (3.10) / checkblack (3.10)	20s
lint / mypy (3.10) / mypy (3.10)	31s
lint / mypy (3.12) / mypy (3.12)	1m 21s
lint / mypy (3.11) / mypy (3.11)	1m 13s
lint / pyright (3.10) / pyright (3.10)	41s
lint / pyright (3.11) / pyright (3.11)	1m 5s
lint / ruff (3.10) / checkruff (3.10)	25s
lint / pyright (3.12) / pyright (3.12)	1m 26s
lint / ruff (3.11) / checkruff (3.11)	55s
lint / ruff (3.12) / checkruff (3.12)	59s
tests (3.9)	28s
tests (3.10)	22s
	12m 33s

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