Drop 5.6.4 support in 4.x

Author: deepy

.github/workflows/build.yml

@@ -6,8 +6,8 @@ jobs:
     strategy:
       matrix:
         config:
-          - {os: ubuntu-latest, params: "'-PtestedGradleVersion=5.6.4|6.0|7.0|7.5.1' pnpmTests" }
-          - {os: ubuntu-latest, params: "'-PtestedGradleVersion=5.6.4|6.0|7.0|7.5.1' build" }
+          - {os: ubuntu-latest, params: "'-PtestedGradleVersion=6.6|7.0|7.5.1' pnpmTests" }
+          - {os: ubuntu-latest, params: "'-PtestedGradleVersion=6.6|7.0|7.5.1' build" }
           - {os: windows-latest, params: "build pnpmTests" }
           - {os: macos-latest, params: "build pnpmTests" }
     steps:

README.md

@@ -18,7 +18,7 @@ with Gradle:
 The plugin is published in the [Gradle plugins portal](https://plugins.gradle.org/plugin/com.github.node-gradle.node)
 with the `com.github.node-gradle.node` identifier.
 
-It supports Gradle 5.6.4+ and Node.js 10+.
+It supports Gradle 6.6+ and Node.js 10+, for 5.6.4 support use version 3.x
 
 ## Documentation