Merge pull request #1119 from Minoru/bugfix/warning-panic-msg-not-string-literal

Bump "average" crate to 0.12

Author: vks

rand_distr/Cargo.toml

@@ -30,4 +30,4 @@ rand_pcg = { version = "0.3.0", path = "../rand_pcg" }
 # For inline examples
 rand = { path = "..", version = "0.8.0", default-features = false, features = ["std_rng", "std"] }
 # Histogram implementation for testing uniformity
-average = "0.10.3"
+average = { version = "0.12", features = [ "std" ] }