rofl-containers: Also expose secrets via env file

[kostko]

No description provided.

[netlify]

✅ Deploy Preview for oasisprotocol-oasis-sdk canceled.

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🔨 Latest commit	f02e8c3
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[codecov]

Codecov Report

Attention: Patch coverage is 0% with 15 lines in your changes missing coverage. Please review.

Project coverage is 57.96%. Comparing base (5e0e6a9) to head (5cf88fb).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
runtime-sdk/src/modules/rofl/app/registration.rs	0.00%	5 Missing ⚠️
rofl-containers/src/containers.rs	0.00%	4 Missing ⚠️
rofl-containers/src/secrets.rs	0.00%	4 Missing ⚠️
runtime-sdk/src/modules/rofl/app/mod.rs	0.00%	1 Missing ⚠️
runtime-sdk/src/modules/rofl/mod.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2137      +/-   ##
==========================================
- Coverage   58.48%   57.96%   -0.53%     
==========================================
  Files         139      141       +2     
  Lines        9941    10031      +90     
==========================================
  Hits         5814     5814              
- Misses       4127     4217      +90     

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