Bump spring-boot-starter-celesta from 2.1.47 to 2.1.50

Bumps [spring-boot-starter-celesta](https://github.com/CourseOrchestra/spring-boot-starter-celesta) from 2.1.47 to 2.1.50.
- [Release notes](https://github.com/CourseOrchestra/spring-boot-starter-celesta/releases)
- [Changelog](https://github.com/CourseOrchestra/spring-boot-starter-celesta/blob/dev/ReleaseJenkinsfile)
- [Commits](CourseOrchestra/spring-boot-starter-celesta@2.1.47...2.1.50)

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

Author: dependabot-preview[bot]

pom.xml

@@ -63,7 +63,7 @@
 
         <spring.test.version>5.3.8</spring.test.version>
         <spring.boot.version>2.5.1</spring.boot.version>
-        <spring.boot.starter.celesta.version>2.1.47</spring.boot.starter.celesta.version>
+        <spring.boot.starter.celesta.version>2.1.50</spring.boot.starter.celesta.version>
         <celesta.version>7.3.45</celesta.version>
         <jackson.core.version>2.12.3</jackson.core.version>
         <jacoco.version>0.8.7</jacoco.version>