updating workflows - lts

[ATorrise]

Action	Description
#6	update all workflows to remove deprecation warnings, octorelease updates
#7	remove Node 14 from workflow matrix

[codecov-commenter]

Codecov Report

Patch and project coverage have no change.

Comparison is base (4834d81) 72.48% compared to head (b682fda) 72.48%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## zowe-v1-lts #137 +/- ## ============================================ Coverage 72.48% 72.48% ============================================ Files 79 79 Lines 945 945 Branches 119 119 ============================================ Hits 685 685 Misses 239 239 Partials 21 21 ```

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[sonarcloud[bot]]

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