[release] Fix, release docs

[dpgaspar]

CATEGORY

Choose one

• Bug Fix
• Enhancement (new features, refinement)
• Refactor
• Add tests
• Build / Development Environment
• Documentation

SUMMARY

Yet, another round at improving the release docs:

• Introduces the email step for sending a RESULT email after IPMC voting
• Includes missing arguments for sending an email for result_ipmc
• Move announcing email to last
• Move update UPDATING.md to crafting a new release

ADDITIONAL INFORMATION

• Has associated issue:
• Changes UI
• Requires DB Migration.
• Confirm DB Migration upgrade and downgrade tested.
• Introduces new feature or API
• Removes existing feature or API

REVIEWERS

[codecov-io]

Codecov Report

Merging #8646 into master will decrease coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #8646      +/-   ##
==========================================
- Coverage   65.78%   65.75%   -0.04%     
==========================================
  Files         482      482              
  Lines       23814    23825      +11     
  Branches     2589     2594       +5     
==========================================
  Hits        15667    15667              
- Misses       7978     7985       +7     
- Partials      169      173       +4

Impacted Files	Coverage Δ
...src/dashboard/util/getFilterConfigsFromFormdata.js	42.85% <0%> (-32.15%)	⬇️
...ssets/src/dashboard/util/activeDashboardFilters.js	90.38% <0%> (-1.78%)	⬇️
superset/db_engine_specs/presto.py	22.58% <0%> (-0.06%)	⬇️
.../assets/src/visualizations/FilterBox/FilterBox.jsx	5.93% <0%> (ø)	⬆️

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