chore: update release config to publish a major version

[zFernand0]

What It Does

Release major version 6.0.0

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.77%. Comparing base (8d7b169) to head (67cb52c).
Report is 5 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #165   +/-   ##
=======================================
  Coverage   74.77%   74.77%           
=======================================
  Files          24       24           
  Lines         337      337           
  Branches       44       44           
=======================================
  Hits          252      252           
  Misses         85       85           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[github-actions]

Release succeeded for the master branch. 🎉

The following packages have been published:

• npm: @zowe/db2-for-zowe-cli@6.0.0

_{Powered by Octorelease 🚀}