Introduced next branch in the root repository to make main always a stable one

.github/dependabot.yml

@@ -6,10 +6,12 @@ updates:
   # Maintain dependencies for Gradle dependencies
   - package-ecosystem: "gradle"
     directory: "/"
+    target-branch: "next"
     schedule:
       interval: "daily"
   # Maintain dependencies for GitHub Actions
   - package-ecosystem: "github-actions"
     directory: "/"
+    target-branch: "next"
     schedule:
       interval: "daily"

.github/template-cleanup/.github/dependabot.yml

@@ -0,0 +1,15 @@
+# Dependabot configuration:
+# https://docs.github.com/en/free-pro-team@latest/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+  # Maintain dependencies for Gradle dependencies
+  - package-ecosystem: "gradle"
+    directory: "/"
+    schedule:
+      interval: "daily"
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"

CHANGELOG.md

@@ -3,6 +3,13 @@
 # IntelliJ Platform Plugin Template Changelog
 
 ## [Unreleased]
+### Added
+- Introduced `next` branch in the root repository to make `main` always a stable one
+
+### Changed
+- Dependencies (GitHub Actions) - upgrade `actions/cache` to `v2.1.6`
+
+## [0.9.0]
 ### Changed
 - Remove reference to the `jcenter()` from Gradle configuration file
 - Update `pluginVerifierIdeVersions` to `2020.2.4, 2020.3.4, 2021.1.2`