Update Rust crate proptest to 1.6.0 (#7680)

Author: oxide-renovate[bot]

Cargo.lock

@@ -574,7 +574,7 @@ propolis-client = { git = "https://github.com/oxidecomputer/propolis", rev = "95
 # as well and delete this comment.
 propolis-mock-server = { git = "https://github.com/oxidecomputer/propolis", rev = "2652487c19ede2db2cbc634b0dee3a78848dfea1" }
 # NOTE: see above!
-proptest = "1.5.0"
+proptest = "1.6.0"
 qorb = "0.2.1"
 quote = "1.0"
 rand = "0.8.5"

Cargo.toml

@@ -25,8 +25,8 @@ aws-lc-rs = { version = "1.12.4", features = ["prebuilt-nasm"] }
 base16ct = { version = "0.2.0", default-features = false, features = ["alloc"] }
 base64 = { version = "0.22.1" }
 base64ct = { version = "1.6.0", default-features = false, features = ["std"] }
-bit-set = { version = "0.5.3" }
-bit-vec = { version = "0.6.3" }
+bit-set = { version = "0.5.3", default-features = false, features = ["std"] }
+bit-vec = { version = "0.6.3", default-features = false, features = ["std"] }
 bitflags-dff4ba8e3ae991db = { package = "bitflags", version = "1.3.2" }
 bitflags-f595c2ba2a3f28df = { package = "bitflags", version = "2.6.0", default-features = false, features = ["serde"] }
 bstr = { version = "1.10.0" }
@@ -145,8 +145,8 @@ aws-lc-rs = { version = "1.12.4", features = ["prebuilt-nasm"] }
 base16ct = { version = "0.2.0", default-features = false, features = ["alloc"] }
 base64 = { version = "0.22.1" }
 base64ct = { version = "1.6.0", default-features = false, features = ["std"] }
-bit-set = { version = "0.5.3" }
-bit-vec = { version = "0.6.3" }
+bit-set = { version = "0.5.3", default-features = false, features = ["std"] }
+bit-vec = { version = "0.6.3", default-features = false, features = ["std"] }
 bitflags-dff4ba8e3ae991db = { package = "bitflags", version = "1.3.2" }
 bitflags-f595c2ba2a3f28df = { package = "bitflags", version = "2.6.0", default-features = false, features = ["serde"] }
 bstr = { version = "1.10.0" }