CHORE!: upgrade springFramework and spring-security dependencies
CHORE!: upgrade springFramework and spring-security dependencies

BREAKING CHANGE:
- springFramework 5.2.6 instead of 4.3.27
- spring-security 5.3.2 instead of 4.2.16

Refs: #255 #256 #257

Asqatasun/Contrast-Finder,Asqatasun/Contrast-Finder,Asqatasun/Contrast-Finder,Asqatasun/Contrast-Finder