Minor fixes to the release task templates

[olegbespalov]

What?

Minor fixes to the release task template:

• Avoid tagging teams at the beginning. Fix devrel since this is a real Github handle and it's mentioning
• Minor style & grammar fixes

Why?

Improve the release task template

Checklist

• I have performed a self-review of my code.
• I have added tests for my changes.
• I have run linter locally (make ci-like-lint) and all checks pass.
• I have run tests locally (make tests) and all tests pass.
• I have commented on my code, particularly in hard-to-understand areas.

Related PR(s)/Issue(s)

[codecov-commenter]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (00ee7ae) 72.96% compared to head (7eac523) 72.96%.

❗ Current head 7eac523 differs from pull request most recent head dda99a7. Consider uploading reports for the commit dda99a7 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3385      +/-   ##
==========================================
- Coverage   72.96%   72.96%   -0.01%     
==========================================
  Files         261      261              
  Lines       20018    20018              
==========================================
- Hits        14607    14606       -1     
- Misses       4484     4485       +1     
  Partials      927      927              

Flag	Coverage Δ
ubuntu	72.83% <ø> (-0.07%)	⬇️
windows	72.81% <ø> (+<0.01%)	⬆️

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see 1 file with indirect coverage changes

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