fix: pom.xml to reduce vulnerabilities (#59)
fix: pom.xml to reduce vulnerabilities (#59)

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JAVA-CHQOSLOGBACK-1726923
- https://snyk.io/vuln/SNYK-JAVA-JUNIT-1017047
- https://snyk.io/vuln/SNYK-JAVA-ORGSPRINGFRAMEWORK-460644
- https://snyk.io/vuln/SNYK-JAVA-ORGYAML-537645
Sybit-Education/Coding-Camp-2017,Sybit-Education/Coding-Camp-2017,Sybit-Education/Coding-Camp-2017