Bump spring-boot-starter-parent from 2.6.7 to 2.7.0 (#278)

Bumps [spring-boot-starter-parent](https://github.com/spring-projects/spring-boot) from 2.6.7 to 2.7.0.
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v2.6.7...v2.7.0)

---
updated-dependencies:
- dependency-name: org.springframework.boot:spring-boot-starter-parent
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pom.xml

@@ -5,7 +5,7 @@
  <parent>
  <artifactId>spring-boot-starter-parent</artifactId>
  <groupId>org.springframework.boot</groupId>
- <version>2.6.7</version>
+ <version>2.7.0</version>
  <relativePath />
  </parent>
  <licenses>