Bump microsoft-graph-core from 2.0.14 to 2.0.15

Bumps [microsoft-graph-core](https://github.com/microsoftgraph/msgraph-sdk-java-core) from 2.0.14 to 2.0.15.
- [Release notes](https://github.com/microsoftgraph/msgraph-sdk-java-core/releases)
- [Changelog](https://github.com/microsoftgraph/msgraph-sdk-java-core/blob/dev/CHANGELOG.md)
- [Commits](microsoftgraph/msgraph-sdk-java-core@v2.0.14...v2.0.15)

---
updated-dependencies:
- dependency-name: com.microsoft.graph:microsoft-graph-core
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -35,7 +35,7 @@
         <dependency>
             <groupId>com.microsoft.graph</groupId>
             <artifactId>microsoft-graph-core</artifactId>
-            <version>2.0.14</version>
+            <version>2.0.15</version>
         </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>