Release oparent 3.0.0

Release oparent 3.0.0

Summary of the commits since El Alto:

cf3c6ad (origin/master, origin/HEAD) Update tomcat 9.0.30
d8ac119 (gerrit/master) Update latest security dependencies
dde9594 Update settings.xml to use https maven
81f6ddb Update sonar configuration
b080421 Update checkstyle rules to exclude methods
5a4892d Upgrade oparent to checkstyle 8.27
91f393b Revert "update version of checkstyle for latest google style and jdk 8"
6a2d8c7 update version of checkstyle for latest google style and jdk 8
fcd164a Add compiler-plugin example
bedb484 Uprev to 3.0.0 for Java 11

Issue-ID: INT-1431
Change-Id: I582c918fab114e3f6072f89c6cd6157a5ab5715d
Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>