Added workflow for flyteidl version update

[yindia]

TL;DR

• Added Github manual workflow for updating flyteidl version

Type

• Bug Fix
• Feature
• Plugin

Are all requirements met?

• Code completed
• Smoke tested
• Unit tests added
• Code documentation added
• Any pending items have an associated Issue

Complete description

How did you fix the bug, make the feature etc. Link to any design docs etc

Tracking Issue

flyteorg/flyte#868

Follow-up issue

NA
OR
https://github.com/lyft/flyte/issues/

[codecov]

Codecov Report

Merging #37 (0dc3ad4) into master (b51da56) will not change coverage.
The diff coverage is n/a.

❗ Current head 0dc3ad4 differs from pull request most recent head 35a9e05. Consider uploading reports for the commit 35a9e05 to get more accurate results

@@           Coverage Diff           @@
##           master      #37   +/-   ##
=======================================
  Coverage   64.33%   64.33%           
=======================================
  Files          28       28           
  Lines         914      914           
=======================================
  Hits          588      588           
  Misses        265      265           
  Partials       61       61           

Flag	Coverage Δ
unittests	?

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