Bump jsoup from 1.14.2 to 1.15.3 in /offer-manager-app (#959)

Bumps [jsoup](https://github.com/jhy/jsoup) from 1.14.2 to 1.15.3.
- [Release notes](https://github.com/jhy/jsoup/releases)
- [Changelog](https://github.com/jhy/jsoup/blob/master/CHANGES)
- [Commits](jhy/jsoup@jsoup-1.14.2...jsoup-1.15.3)

---
updated-dependencies:
- dependency-name: org.jsoup:jsoup
  dependency-type: direct:production
...

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

Author: dependabot[bot]

offer-manager-app/pom.xml

@@ -89,7 +89,7 @@
             <!-- jsoup HTML parser library @ https://jsoup.org/ -->
             <groupId>org.jsoup</groupId>
             <artifactId>jsoup</artifactId>
-            <version>1.14.2</version>
+            <version>1.15.3</version>
         </dependency>
         <dependency>
             <groupId>org.apache.maven.plugins</groupId>