Bump spring-boot-starter-web from 1.5.6.RELEASE to 2.5.12

Bumps [spring-boot-starter-web](https://github.com/spring-projects/spring-boot) from 1.5.6.RELEASE to 2.5.12.
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v1.5.6.RELEASE...v2.5.12)

---
updated-dependencies:
- dependency-name: org.springframework.boot:spring-boot-starter-web
  dependency-type: direct:development
...

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

pom.xml

@@ -10,7 +10,7 @@
     <description>The kLock Project</description>
 
     <properties>
-        <spring-boot.version>1.5.6.RELEASE</spring-boot.version>
+        <spring-boot.version>2.5.12</spring-boot.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <java.version>1.8</java.version>