upd

.gitignore

@@ -4,3 +4,4 @@
 /*.iws
 /.idea
 /.ideaDataSources
+/.shelf

pom.xml

@@ -14,13 +14,13 @@
         <kotlin.version>1.3.72</kotlin.version>
         <target>1.8</target>
         <start-class>inn.ocsf.bee.freigeld.FreiAppKt</start-class>
-        <spring.version>2.2.6.RELEASE</spring.version>
+        <spring.version>2.3.1.RELEASE</spring.version>
     </properties>
 
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.2.6.RELEASE</version>
+        <version>2.3.1.RELEASE</version>
     </parent>
 
     <dependencies>

src/app/yarn.lock

@@ -3507,7 +3507,7 @@ file-loader@6.0.0:
     loader-utils "^2.0.0"
     schema-utils "^2.6.5"
 
-"file-saver@github:eligrey/FileSaver.js#1.3.8":
+file-saver@eligrey/FileSaver.js#1.3.8:
   version "1.3.8"
   resolved "https://codeload.github.com/eligrey/FileSaver.js/tar.gz/e865e37af9f9947ddcced76b549e27dc45c1cb2e"