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

Bumps [org.eclipse.microprofile.config:microprofile-config-api](https://github.com/eclipse/microprofile-config) from 3.0.2 to 3.1.
- [Release notes](https://github.com/eclipse/microprofile-config/releases)
- [Commits](microprofile/microprofile-config@3.0.2...3.1)

---
updated-dependencies:
- dependency-name: org.eclipse.microprofile.config:microprofile-config-api
  dependency-version: '3.1'
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -16,7 +16,7 @@
     <url>http://smallrye.io</url>
 
     <properties>
-        <version.eclipse.microprofile.config>3.0.2</version.eclipse.microprofile.config>
+        <version.eclipse.microprofile.config>3.1</version.eclipse.microprofile.config>
         <version.eclipse.microprofile.graphql>2.0</version.eclipse.microprofile.graphql>
         <!--        <version.eclipse.microprofile.graphql-client>2.1-SNAPSHOT</version.eclipse.microprofile.graphql-client>-->
         <version.eclipse.microprofile.context-propagation>1.3</version.eclipse.microprofile.context-propagation>