message: Bump readme version
diff: @@ -14,17 +14,17 @@ Make sure the supported OpenCV version (3.2, 3.4 or 4.x) is installed in your sy
  Update your Cargo.toml
  ```toml
  -opencv = "0.46"
  +opencv = "0.47"
  ```
  Select OpenCV version if different from default (opencv-4) in Cargo.toml:
  ```toml
  -opencv = {version = "0.46", default-features = false, features = ["opencv-34", "buildtime-bindgen"]}
  +opencv = {version = "0.47", default-features = false, features = ["opencv-34", "buildtime-bindgen"]}
  ```
  Or enable usage of `contrib` modules:
  ```toml
  -opencv = {version = "0.46", features = ["contrib"]}
  +opencv = {version = "0.47", features = ["contrib"]}
  ```
  Import prelude
  