Update .travis.yml
Update .travis.yml

Adding v3.0.0-rc2 only exclusions
SpiderLabs/owasp-modsecurity-crs,coreruleset/coreruleset,coreruleset/coreruleset,umarfarook882/owasp-modsecurity-crs,umarfarook882/owasp-modsecurity-crs,coreruleset/coreruleset,SpiderLabs/owasp-modsecurity-crs,umarfarook882/owasp-modsecurity-crs,SpiderLabs/owasp-modsecurity-crs,umarfarook882/owasp-modsecurity-crs,SpiderLabs/owasp-modsecurity-crs,SpiderLabs/owasp-modsecurity-crs,coreruleset/coreruleset,coreruleset/coreruleset,umarfarook882/owasp-modsecurity-crs,coreruleset/coreruleset,SpiderLabs/owasp-modsecurity-crs,SpiderLabs/owasp-modsecurity-crs