(chore): update zstd, git-testament, and sha2 crates

Signed-off-by: Daniel Silverstone <dsilvers@digital-scurf.org>

Author: kinnison

Cargo.lock

@@ -34,7 +34,7 @@ download = {path = "download", default-features = false}
 effective-limits = "0.5.3"
 enum-map = "1.1.0"
 flate2 = "1"
-git-testament = "0.1.4"
+git-testament = "0.2"
 home = {git = "https://github.com/rbtcollins/home", rev = "a243ee2fbee6022c57d56f5aa79aefe194eabe53"}
 lazy_static = "1"
 libc = "0.2"
@@ -52,7 +52,7 @@ scopeguard = "1"
 semver = "0.11"
 serde = {version = "1.0", features = ["derive"]}
 sequoia-openpgp = { version = "1.5", default-features = false, features = ["crypto-rust", "allow-experimental-crypto", "allow-variable-time-crypto"] }
-sha2 = "0.9"
+sha2 = "0.10"
 sharded-slab = "0.1.1"
 strsim = "0.10"
 tar = "0.4.26"
@@ -65,7 +65,7 @@ toml = "0.5"
 url = "2.1"
 wait-timeout = "0.2"
 xz2 = "0.1.3"
-zstd = "0.6"
+zstd = "0.11"
 
 [dependencies.retry]
 default-features = false