Bump bootstrap from 5.1.3 to 5.2.0

[dependabot[bot]]

Bumps bootstrap from 5.1.3 to 5.2.0.

Commits

• b77232e [maven-release-plugin] prepare release bootstrap-5.2.0
• ca1f3e4 bump to 5.2.0 - fixes #178
• f9e9bb4 Merge pull request #177 from vpavic/misc-improvements
• e4d34fb Make popper.js dependency optional
• f4876cc Remove webjars-requirejs.js
• 227b46c Fix project version
• 4290127 Merge pull request #175 from hboutemy/master
• 120331e make build reproducible
• fb1b8c1 [maven-release-plugin] prepare for next development iteration
• See full diff in compare view

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