cargo: bump quick-xml from 0.18.1 to 0.22.0

Bumps [quick-xml](https://github.com/tafia/quick-xml) from 0.18.1 to 0.22.0.
- [Release notes](https://github.com/tafia/quick-xml/releases)
- [Changelog](https://github.com/tafia/quick-xml/blob/master/Changelog.md)
- [Commits](https://github.com/tafia/quick-xml/compare/v0.18.1...v0.22.0)

Signed-off-by: dependabot[bot] <support@github.com>

Cargo.lock

@@ -2778,9 +2778,9 @@ checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
 
 [[package]]
 name = "quick-xml"
-version = "0.18.1"
+version = "0.22.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3cc440ee4802a86e357165021e3e255a9143724da31db1e2ea540214c96a0f82"
+checksum = "8533f14c8382aaad0d592c812ac3b826162128b65662331e1127b45c3d18536b"
 dependencies = [
  "memchr",
 ]

Cargo.toml

@@ -51,7 +51,7 @@ once_cell = "1.4.1"
 percent-encoding = "2.0"
 pgp = { version = "0.7.0", default-features = false }
 pretty_env_logger = { version = "0.4.0", optional = true }
-quick-xml = "0.18.1"
+quick-xml = "0.22.0"
 r2d2 = "0.8.9"
 r2d2_sqlite = "0.18.0"
 rand = "0.7.0"