Update average requirement from 0.13 to 0.14

---
updated-dependencies:
- dependency-name: average
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

rand_distr/Cargo.toml

@@ -37,6 +37,6 @@ rand_pcg = { version = "0.4.0", path = "../rand_pcg" }
 # For inline examples
 rand = { path = "..", version = "0.9.0", features = ["small_rng"] }
 # Histogram implementation for testing uniformity
-average = { version = "0.13", features = [ "std" ] }
+average = { version = "0.14", features = [ "std" ] }
 # Special functions for testing distributions
 special = "0.10.3"