Bump org.eclipse.microprofile.config:microprofile-config-api

Bumps [org.eclipse.microprofile.config:microprofile-config-api](https://github.com/eclipse/microprofile-config) from 3.0.3 to 3.1.
- [Release notes](https://github.com/eclipse/microprofile-config/releases)
- [Commits](eclipse/microprofile-config@3.0.3...3.1)

---
updated-dependencies:
- dependency-name: org.eclipse.microprofile.config:microprofile-config-api
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -34,7 +34,7 @@
 
   <properties>
 
-    <version.microprofile-config>3.0.3</version.microprofile-config>
+    <version.microprofile-config>3.1</version.microprofile-config>
     <version.microprofile-metrics>5.1.0</version.microprofile-metrics>