[Snyk] Fix for 21 vulnerabilities

[snyk-bot]

Snyk has created this PR to fix one or more vulnerable packages in the `maven` dependencies of this project.

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • with-sockjs/pom.xml
  • pom.xml

Vulnerabilities that will be fixed

With an upgrade:

Severity	Issue	Upgrade	Breaking Change	Exploit Maturity
	Deserialization of Untrusted Data SNYK-JAVA-CHQOSLOGBACK-31407		Yes	No Known Exploit
	Deserialization of Untrusted Data SNYK-JAVA-COMGOOGLEGUAVA-32236	com.google.guava:guava: 24.0-jre -> 24.1.1-android	No	No Known Exploit
	Denial of Service (DoS) SNYK-JAVA-OGNL-30474		Yes	No Known Exploit
	Denial of Service (DoS) SNYK-JAVA-ORGAPACHETOMCATEMBED-451342		No	No Known Exploit
	Remote Code Execution SNYK-JAVA-ORGAPACHETOMCATEMBED-451343		No	Mature
	Cross-site Scripting (XSS) SNYK-JAVA-ORGAPACHETOMCATEMBED-451458		No	No Known Exploit
	Denial of Service (DoS) SNYK-JAVA-ORGAPACHETOMCATEMBED-451459		No	No Known Exploit
	Open Redirect SNYK-JAVA-ORGAPACHETOMCATEMBED-451503		No	No Known Exploit
	Information Exposure SNYK-JAVA-ORGAPACHETOMCATEMBED-451504		No	No Known Exploit
	Insecure Defaults SNYK-JAVA-ORGAPACHETOMCATEMBED-451505		No	No Known Exploit
	Denial of Service (DoS) SNYK-JAVA-ORGAPACHETOMCATEMBED-451508		No	No Known Exploit
	Directory Traversal SNYK-JAVA-ORGAPACHETOMCATEMBED-451510		No	No Known Exploit
	Access Restriction Bypass SNYK-JAVA-ORGAPACHETOMCATEMBED-451511		No	No Known Exploit
	Arbitrary Code Execution SNYK-JAVA-ORGAPACHETOMCATEMBED-451515		No	Mature
	Directory Traversal SNYK-JAVA-ORGAPACHETOMCATEMBED-451518		No	No Known Exploit
	Privilege Escalation SNYK-JAVA-ORGAPACHETOMCATEMBED-538490		Yes	No Known Exploit
	Arbitrary Code Execution SNYK-JAVA-ORGHIBERNATE-451605		No	No Known Exploit
	Arbitrary Code Execution SNYK-JAVA-ORGSPRINGFRAMEWORK-32201	org.springframework:spring-messaging: 4.2.2.RELEASE -> 4.3.16.RELEASE	No	No Known Exploit
	Arbitrary Code Execution SNYK-JAVA-ORGSPRINGFRAMEWORK-32223	org.springframework:spring-messaging: 4.2.2.RELEASE -> 4.3.16.RELEASE	No	No Known Exploit
	Multipart Content Pollution SNYK-JAVA-ORGSPRINGFRAMEWORK-460644	org.springframework:spring-messaging: 4.2.2.RELEASE -> 4.3.16.RELEASE org.springframework:spring-websocket: 4.2.2.RELEASE -> 4.3.20.RELEASE	No	No Known Exploit
	Denial of Service (DoS) SNYK-JAVA-ORGSPRINGFRAMEWORK-72470	org.springframework:spring-websocket: 4.2.2.RELEASE -> 4.3.20.RELEASE	No	No Known Exploit

Vulnerabilities that could not be fixed

• Upgrade:
  • Could not upgrade org.springframework.boot:spring-boot-starter-thymeleaf@1.5.4.RELEASE to org.springframework.boot:spring-boot-starter-thymeleaf@2.0.0.RELEASE; Reason could not apply upgrade, dependency is managed externally ; Location: https://maven-central.storage-download.googleapis.com/repos/central/data/org/springframework/boot/spring-boot-dependencies/1.5.4.RELEASE/spring-boot-dependencies-1.5.4.RELEASE.pom

Check the changes in this PR to ensure they won't cause issues with your project.

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