Use official Ruby Lambda images for S3-mpeg

[dwilkie]

Todo

• Rotate services application master key
• Remove old sentry DSN

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 96.88%. Comparing base (5eade55) to head (ebe9cf3).
Report is 1 commits behind head on develop.

Files with missing lines	Patch %	Lines
components/services/lib/encrypted_credentials.rb	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #745      +/-   ##
===========================================
- Coverage    96.88%   96.88%   -0.01%     
===========================================
  Files          169      169              
  Lines         3051     3050       -1     
===========================================
- Hits          2956     2955       -1     
  Misses          95       95              

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