Bump gradle/gradle-build-action from 2.1.3 to 2.1.5

Bumps [gradle/gradle-build-action](https://github.com/gradle/gradle-build-action) from 2.1.3 to 2.1.5.
- [Release notes](https://github.com/gradle/gradle-build-action/releases)
- [Commits](gradle/gradle-build-action@v2.1.3...v2.1.5)

---
updated-dependencies:
- dependency-name: gradle/gradle-build-action
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.github/workflows/publish.yml

@@ -17,12 +17,12 @@ jobs:
                     distribution: 'zulu'
 
             -   name: Verify plugin
-                uses: gradle/gradle-build-action@v2.1.3
+                uses: gradle/gradle-build-action@v2.1.5
                 with:
                     arguments: runPluginVerifier
 
             -   name: Publish plugin
-                uses: gradle/gradle-build-action@v2.1.3
+                uses: gradle/gradle-build-action@v2.1.5
                 with:
                     arguments: publishPlugin
                 env: # Or as an environment variable

.github/workflows/test.yml

@@ -22,7 +22,7 @@ jobs:
                 uses: gradle/wrapper-validation-action@v1
 
             -   name: Verify plugin
-                uses: gradle/gradle-build-action@v2.1.3
+                uses: gradle/gradle-build-action@v2.1.5
                 with:
                     arguments: runPluginVerifier
 concurrency: