Bump org.jetbrains.intellij from 1.4.0 to 1.5.0 (#694)

Bumps org.jetbrains.intellij from 1.4.0 to 1.5.0.

---
updated-dependencies:
- dependency-name: org.jetbrains.intellij
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Brandon Fergerson <bfergerson@apache.org>

Author: dependabot[bot]

plugin/build.gradle.kts

@@ -4,7 +4,7 @@ import java.net.URL
 plugins {
     id("java")
     id("org.jetbrains.kotlin.jvm")
-    id("org.jetbrains.intellij") version "1.4.0"
+    id("org.jetbrains.intellij") version "1.5.0"
     id("org.jetbrains.changelog") version "1.3.1"
     id("maven-publish")
 }