Merge pull request #233 from dbmdz/dependabot/maven/org.springframework.boot-spring-boot-starter-parent-2.5.4

Bump spring-boot-starter-parent from 2.4.5 to 2.5.4

Author: stefan-it

pom.xml

@@ -6,7 +6,7 @@
   <parent>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-parent</artifactId>
-    <version>2.4.5</version>
+    <version>2.5.4</version>
   </parent>
 
   <name>DigitalCollections: Hymir IIIF Server</name>