chore(deps): patch funty 1.2.0 with git dependency

This version was yanked from crates.io after causing [breakage][1] in
`bitvec 0.19.4`. However, `bitvec 0.22` was still [dependent][2] on it.

[1]: ferrilab/funty#3
[2]: ferrilab/funty#7

Author: yvt

Cargo.lock

@@ -114,5 +114,9 @@ version = "0.6.2"
 git = "https://github.com/Gilnaa/memoffset.git"
 rev = "2a74b62c26724ff9c67e4e3ad05378a1af53f195"
 
+[patch.crates-io.funty]
+git = "https://github.com/ferrilab/funty.git"
+rev = "7ef0d890fbcd8b3def1635ac1a877fc298488446"
+
 [profile.release]
 debug = true