fix(deps): update dependency io.github.hoc081098:flowext to v0.8.1

| datasource | package                     | from       | to    |
| ---------- | --------------------------- | ---------- | ----- |
| maven      | io.github.hoc081098:FlowExt | 0.8.1-Beta | 0.8.1 |

Author: renovate[bot]

buildSrc/src/main/kotlin/deps.kt

@@ -70,7 +70,7 @@ object deps {
 
   const val coil = "io.coil-kt:coil:2.6.0"
   const val viewBindingDelegate = "com.github.hoc081098:ViewBindingDelegate:1.4.0"
-  const val flowExt = "io.github.hoc081098:FlowExt:0.8.1-Beta"
+  const val flowExt = "io.github.hoc081098:FlowExt:0.8.1"
   const val timber = "com.jakewharton.timber:timber:5.0.1"
 
   object arrow {