Bump io.pivotal.cfenv:java-cfenv-boot from 3.1.3 to 3.1.5

Bumps [io.pivotal.cfenv:java-cfenv-boot](https://github.com/pivotal-cf/java-cfenv) from 3.1.3 to 3.1.5.
- [Release notes](https://github.com/pivotal-cf/java-cfenv/releases)
- [Commits](pivotal-cf/java-cfenv@v3.1.3...v3.1.5)

---
updated-dependencies:
- dependency-name: io.pivotal.cfenv:java-cfenv-boot
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

pom.xml

@@ -27,7 +27,7 @@
         <commons-io.version>2.15.1</commons-io.version>
         <aws-java-sdk-s3.version>1.12.647</aws-java-sdk-s3.version>
         <tika-core.version>2.9.1</tika-core.version>
-        <java-cfenv-boot.version>3.1.3</java-cfenv-boot.version>
+        <java-cfenv-boot.version>3.1.5</java-cfenv-boot.version>
         <notifications-java-client.version>4.1.1-RELEASE</notifications-java-client.version>
         <poi-ooxml.version>5.2.5</poi-ooxml.version>
         <xerces.xercesimpl.version>2.12.2</xerces.xercesimpl.version>