Update version links in README.md

Author: mbrandonw

README.md

@@ -533,13 +533,17 @@ advanced usages.
 The documentation for releases and `main` are available here:
 
 * [`main`](https://pointfreeco.github.io/swift-composable-architecture/main/documentation/composablearchitecture/)
-* [1.17.0](https://pointfreeco.github.io/swift-composable-architecture/1.17.0/documentation/composablearchitecture/) ([migration guide](https://pointfreeco.github.io/swift-composable-architecture/main/documentation/composablearchitecture/migratingto1.17))
+* [1.22.0](https://pointfreeco.github.io/swift-composable-architecture/1.22.0/documentation/composablearchitecture/)
 
 <details>
   <summary>
   Other versions
   </summary>
-
+  
+  * [1.21.0](https://pointfreeco.github.io/swift-composable-architecture/1.21.0/documentation/composablearchitecture/)
+  * [1.19.0](https://pointfreeco.github.io/swift-composable-architecture/1.19.0/documentation/composablearchitecture/) ([migration guide](https://pointfreeco.github.io/swift-composable-architecture/main/documentation/composablearchitecture/migratingto1.19))
+  * [1.18.0](https://pointfreeco.github.io/swift-composable-architecture/1.18.0/documentation/composablearchitecture/) ([migration guide](https://pointfreeco.github.io/swift-composable-architecture/main/documentation/composablearchitecture/migratingto1.18))
+  * [1.17.0](https://pointfreeco.github.io/swift-composable-architecture/1.17.0/documentation/composablearchitecture/) ([migration guide](https://pointfreeco.github.io/swift-composable-architecture/main/documentation/composablearchitecture/migratingto1.17))
   * [1.16.0](https://pointfreeco.github.io/swift-composable-architecture/1.16.0/documentation/composablearchitecture/) ([migration guide](https://pointfreeco.github.io/swift-composable-architecture/main/documentation/composablearchitecture/migratingto1.16))
   * [1.15.0](https://pointfreeco.github.io/swift-composable-architecture/1.15.0/documentation/composablearchitecture/) ([migration guide](https://pointfreeco.github.io/swift-composable-architecture/main/documentation/composablearchitecture/migratingto1.15))
   * [1.14.0](https://pointfreeco.github.io/swift-composable-architecture/1.14.0/documentation/composablearchitecture/) ([migration guide](https://pointfreeco.github.io/swift-composable-architecture/main/documentation/composablearchitecture/migratingto1.14))