Update README.md (#149)

Co-authored-by: ZIO Assistant <zio-assistant[bot]@users.noreply.github.com>

README.md

@@ -71,7 +71,7 @@ If multiple concurrent processes get the value at the same time the value will o
 In order to use this library, we need to add the following line in our `build.sbt` file:
 
 ```scala
-libraryDependencies += "dev.zio" %% "zio-cache" % "0.2.2"
+libraryDependencies += "dev.zio" %% "zio-cache" % "0.2.3"
 ```
 
 ## Example
@@ -128,11 +128,11 @@ Learn more on the [ZIO Cache homepage](https://zio.dev/zio-cache)!
 
 ## Contributing
 
-For the general guidelines, see ZIO [contributor's guide](https://zio.dev/about/contributing).
+For the general guidelines, see ZIO [contributor's guide](https://zio.dev/contributor-guidelines).
 
 ## Code of Conduct
 
-See the [Code of Conduct](https://zio.dev/about/code-of-conduct)
+See the [Code of Conduct](https://zio.dev/code-of-conduct)
 
 ## Support