build(deps): bump org.jetbrains.gradle.plugin.idea-ext from 1.3 to 1.4

Bumps org.jetbrains.gradle.plugin.idea-ext from 1.3 to 1.4.

---
updated-dependencies:
- dependency-name: org.jetbrains.gradle.plugin.idea-ext
  dependency-version: '1.4'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

build.gradle

@@ -4,7 +4,7 @@ import org.codehaus.groovy.runtime.MethodClosure
 import groovy.text.SimpleTemplateEngine
 
 plugins {
-    id "org.jetbrains.gradle.plugin.idea-ext" version "1.3"
+    id "org.jetbrains.gradle.plugin.idea-ext" version "1.4"
     id "com.gtnewhorizons.retrofuturagradle" version "1.4.6"
     id "io.github.CDAGaming.cursegradle" version "1.6.1"
     id "com.modrinth.minotaur" version "2.+"