Version bumps for 1.2.2

Mostly as per doc/dev/Release.md

• New vanguards feature, but we haven't reached the HS security milestone yet. Bump minor to 1.2.2.

# crate			current version
arti			1.2.1

• Only non-functional changes were made. (Bump the version of the crate, but not the depended-on version.)

hashx			0.1.3
equix			0.1.3
fs-mistrust		0.7.9

• Unstable (0.x) tor-* and arti-* crates. (Bump minor version, to the same value for each crate.)

tor-basic-utils		0.17.0
tor-async-utils		0.17.0
tor-error		0.17.0
tor-config		0.17.0
tor-units		0.17.0
tor-geoip		0.17.0
tor-rtcompat		0.17.0
tor-rtmock		0.17.0
tor-log-ratelim		0.17.0
tor-rpcbase		0.17.0
tor-memquota		0.17.0
tor-llcrypto		0.17.0
tor-protover		0.17.0
tor-bytes		0.17.0
tor-hscrypto		0.17.0
tor-socksproto		0.17.0
tor-checkable		0.17.0
tor-cert		0.17.0
tor-linkspec		0.17.0
tor-cell		0.17.0
tor-proto		0.17.0
tor-netdoc		0.17.0
tor-consdiff		0.17.0
tor-netdir		0.17.0
tor-relay-selection	0.17.0
tor-persist		0.17.0
tor-chanmgr		0.17.0
tor-ptmgr		0.17.0
tor-guardmgr		0.17.0
tor-circmgr		0.17.0
tor-dirclient		0.17.0
tor-dirmgr		0.17.0
tor-keymgr		0.17.0
tor-hsclient		0.17.0
tor-hsservice		0.17.0
tor-hsrproxy		0.17.0
arti-client		0.17.0
arti-rpcserver		0.17.0
arti-hyper		0.17.0

• No changes were made. (No version bump needed)

test-temp-dir		0.2.1
fslock-guard		0.1.2
caret			0.4.5
safelog			0.3.6
retry-error		0.5.2

@gabi-250, please review then assign back to me.