chore(gradle): bump com.vertispan.nio:gwt-nio

Bumps [com.vertispan.nio:gwt-nio](https://github.com/vertispan/gwt-nio) from 1.0-alpha-1 to 1.0-alpha-2.
- [Commits](https://github.com/vertispan/gwt-nio/commits)

---
updated-dependencies:
- dependency-name: com.vertispan.nio:gwt-nio
  dependency-type: direct:production
...

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

gradle/libs.versions.toml

@@ -76,7 +76,7 @@ tdunning = "3.2"
 trove = "3.0.3"
 undercouch = "2.15.1"
 univocity = "2.6.0"
-vertispan-nio = "1.0-alpha-1"
+vertispan-nio = "1.0-alpha-2"
 vertispan-ts-defs = "1.0.0-RC4"
 
 # test versions