actions/setup-java v2.4.0 on GitHub

In scope of this pull request we add support for Liberica JDK (#225).

steps:
  - name: Checkout
    uses: actions/checkout@v2
  - name: Setup-java
    uses: actions/setup-java@v2
    with:
      distribution: liberica
      java-version: 11

Supported distributions

Currently, the following distributions are supported:

Keyword	Distribution	Official site	License
`zulu`	Zulu OpenJDK	Link	Link
`adopt` or `adopt-hotspot`	Adopt OpenJDK Hotspot	Link	Link
`adopt-openj9`	Adopt OpenJDK OpenJ9	Link	Link
`temurin`	Eclipse Temurin	Link	Link
`liberica`	Liberica JDK	Link	Link

Update actions/cache dependency to 1.0.8 version.

We updated actions/cache depdendency to the latest version (1.0.8). For more information please refer to the toolkit/cache.