Update to tz-rs v0.7.0 #653

Job	Run time
audit	16s
DevSkim	28s
clippy-pedantic (tzdb)	19s
cross-miri (aarch64-unknown-linux-gnu)	35s
clippy-pedantic (tzdb_data)	10s
doc	18s
cross-miri (i586-unknown-linux-gnu)	38s
feature-powerset	18s
cross-miri (powerpc-unknown-linux-gnu)	33s
fmt	13s
cross-miri (powerpc64-unknown-linux-gnu)	34s
lint (1.81)	18s
cross-miri (powerpc64le-unknown-linux-gnu)	34s
Miri	49s
lint (1.81, -Zminimal-versions)	28s
test	34s
lint (stable)	20s
typos	4s
lint (stable, -Zminimal-versions)	17s
lint (nightly)	18s
lint (nightly, -Zminimal-versions)	17s
	8m 21s

Provide feedback