Use `Classpath` normalization for classpath inputs of source generato…

…r tasks (#214)

`@InputFiles` with `@PathSensitive(PathSensitivity.RELATIVE)` makes it impossible
to reuse build cache between builds with different build numbers because a jar name
includes build number.

Support nodejs() environment for wasmJs

Advance Kotlin version to 1.9.0

Promote the library version to 0.4.8

Promote the library version to 0.4.7

Promote the library version to 0.4.6

Promote the library version to 0.4.5

Update README.md and CHANGELOG.md for 0.4.4

Promote the library version to 0.4.3

Update README.md for 0.4.2