Kotlin 1.4.0-rc (#10)

* Move to kotlin 1.4.0-rc

* Removing broken WSL bash

see https://github.com/actions/virtual-environments/issues/50

Co-authored-by: Salomon BRYS <salomon@kodein.net>

.github/workflows/release.yml

@@ -37,7 +37,9 @@ jobs:
         run: brew install automake
       - name: Set up shell
         if: matrix.os == 'windows-latest'
-        run: echo ::add-path::C:\msys64\usr\bin\
+        run: |
+          echo ::add-path::C:\msys64\usr\bin\
+          rm.exe "C:/WINDOWS/system32/bash.EXE"
       - name: Check JVM
         shell: bash
         run: ./gradlew jvmTest