Author: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
Description: Work around rust-signature packaging quirk

See https://bugs.debian.org/1089104

--- a/Cargo.toml
+++ b/Cargo.toml
@@ -117,7 +117,7 @@ optional = true
 default-features = false
 
 [dependencies.signature]
-version = ">2.0, <2.3"
+version = "2.2"
 features = [
     "alloc",
     "digest",