Bump spring-web in /ambari-views/examples/hello-spring-view

Bumps [spring-web](https://github.com/spring-projects/spring-framework) from 4.0.5.RELEASE to 4.2.7.RELEASE.
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v4.0.5.RELEASE...v4.2.7.RELEASE)

---
updated-dependencies:
- dependency-name: org.springframework:spring-web
  dependency-type: direct:production
...

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

ambari-views/examples/hello-spring-view/pom.xml

@@ -70,7 +70,7 @@
     <dependency>
       <groupId>org.springframework</groupId>
       <artifactId>spring-web</artifactId>
-      <version>4.0.5.RELEASE</version>
+      <version>4.2.7.RELEASE</version>
     </dependency>
     <dependency>
       <groupId>org.springframework</groupId>