Bump reactor-core from 3.4.11 to 3.4.15 in /plugins/repository-azure (#2129)

* Bump reactor-core from 3.4.11 to 3.4.15 in /plugins/repository-azure

Bumps [reactor-core](https://github.com/reactor/reactor-core) from 3.4.11 to 3.4.15.
- [Release notes](https://github.com/reactor/reactor-core/releases)
- [Commits](https://github.com/reactor/reactor-core/compare/v3.4.11...v3.4.15)

---
updated-dependencies:
- dependency-name: io.projectreactor:reactor-core
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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* Updating SHAs

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: dependabot[bot] <dependabot[bot]@users.noreply.github.com>

plugins/repository-azure/build.gradle

@@ -56,7 +56,7 @@ dependencies {
   implementation project(':modules:transport-netty4')
   api 'com.azure:azure-storage-blob:12.14.1'
   api 'org.reactivestreams:reactive-streams:1.0.3'
-  api 'io.projectreactor:reactor-core:3.4.11'
+  api 'io.projectreactor:reactor-core:3.4.15'
   api 'io.projectreactor.netty:reactor-netty:1.0.13'
   api 'io.projectreactor.netty:reactor-netty-core:1.0.13'
   api 'io.projectreactor.netty:reactor-netty-http:1.0.13'

plugins/repository-azure/licenses/reactor-core-3.4.11.jar.sha1

@@ -1 +0,0 @@
-0e305f6aa6e6da26aa42726f8cfd69b6ab53d7c0

plugins/repository-azure/licenses/reactor-core-3.4.15.jar.sha1

@@ -0,0 +1 @@
+28ccf513fe64709c8ded30ea3f387fc718db9626