chore: update changelog and release config to release a major version

[zFernand0]

What It Does

This PR published a major v3.0.0 release to zowe.jfrog

[sonarcloud[bot]]

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

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 73.52%. Comparing base (3130835) to head (9a8d26a). Report is 2 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #172 +/- ## ======================================= Coverage 73.52% 73.52% ======================================= Files 77 77 Lines 982 982 Branches 132 130 -2 ======================================= Hits 722 722 + Misses 260 239 -21 - Partials 0 21 +21 ```

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[github-actions[bot]]

Release succeeded for the master branch. :tada:

The following packages have been published:

• npm: @zowe/zos-ftp-for-zowe-cli@3.0.0

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