[Snyk] Security upgrade org.webjars:bootstrap from 4.0.0-2 to 5.3.3

[keesun]

This PR was automatically created by Snyk using the credentials of a real user.


Snyk has created this PR to fix 1 vulnerabilities in the maven dependencies of this project.

Snyk changed the following file(s):

• pom.xml

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score	Upgrade
	Cross-site Scripting SNYK-JAVA-ORGWEBJARS-7444620	688	org.webjars:bootstrap: 4.0.0-2 -> 5.3.3 Proof of Concept

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