feat: release upgrading support #68

Job	Run time
General Pull Request Checks / Run Cargo Deny (advisories)	45s
General Pull Request Checks / Run Cargo Deny (bans licenses sources)	47s
General Pull Request Checks / Run Cargo Udeps	8m 59s
General Pull Request Checks / Run RustDoc	4m 28s
General Pull Request Checks / Run Cargo Tests	3m 39s
General Pull Request Checks / All tests passed	2s
	18m 40s

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