build(deps): Bump com.gradle.plugin-publish in /tools/gradle-plugin (#2515)

Bumps com.gradle.plugin-publish from 2.1.0 to 2.1.1.

---
updated-dependencies:
- dependency-name: com.gradle.plugin-publish
  dependency-version: 2.1.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Michael Edgar <michael@xlate.io>

Author: dependabot[bot]

tools/gradle-plugin/build.gradle

@@ -1,6 +1,6 @@
 plugins {
     id 'java-gradle-plugin'
-    id("com.gradle.plugin-publish") version "2.1.0"
+    id("com.gradle.plugin-publish") version "2.1.1"
     id("com.github.vlsi.jandex") version "3.0.1"
 }