fix: session-3-jshell/teamshell/pom.xml to reduce vulnerabilities
fix: session-3-jshell/teamshell/pom.xml to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JAVA-ORGAPACHETOMCATEMBED-30988
- https://snyk.io/vuln/SNYK-JAVA-ORGAPACHETOMCATEMBED-31420
- https://snyk.io/vuln/SNYK-JAVA-ORGAPACHETOMCATEMBED-31432

AdoptOpenJDK/jdk9-jigsaw,AdoptOpenJDK/jdk9-jigsaw,AdoptOpenJDK/jdk9-jigsaw