feat: use gcs for stream file storage

[JeffreyDallas]

Description

This pull request changes the following:

• Refactor create-topic example to also check submitted message from mirror node
• move create_test_account to individual helper file to shared between solo relay test and gcs test
• Add test workflow to verify using google storage for stream files upload and download

Related Issues

• Closes Charts[Network]: expose variables to values.yaml for enabling and configuring mirror s3 and gcs backups full-stack-testing#711

Test result

https://github.com/hashgraph/solo/actions/runs/12473809302/job/34814887772

[github-actions]

Unit Test Results - Linux

  1 files  ±0   58 suites  ±0   3s ⏱️ ±0s
228 tests ±0  228 ✅ ±0  0 💤 ±0  0 ❌ ±0 
233 runs  ±0  233 ✅ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit d6b27e8. ± Comparison against base commit 1b9b7e6.

♻️ This comment has been updated with latest results.

[github-actions]

Unit Test Results - Windows

  1 files  ±0   58 suites  ±0   12s ⏱️ ±0s
228 tests ±0  228 ✅ ±0  0 💤 ±0  0 ❌ ±0 
233 runs  ±0  233 ✅ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit d6b27e8. ± Comparison against base commit 1b9b7e6.

♻️ This comment has been updated with latest results.

[github-actions]

E2E Test Report

 16 files  ±0  121 suites  ±0   1h 18m 41s ⏱️ - 2m 23s
256 tests ±0  256 ✅ ±0  0 💤 ±0  0 ❌ ±0 
259 runs  ±0  259 ✅ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit ca46661. ± Comparison against base commit a5fab1e.

[github-actions]

E2E Test Report

 16 files  ±0  121 suites  ±0   1h 21m 49s ⏱️ -1s
258 tests ±0  258 ✅ ±0  0 💤 ±0  0 ❌ ±0 
261 runs  ±0  261 ✅ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit d6b27e8. ± Comparison against base commit 1b9b7e6.

♻️ This comment has been updated with latest results.

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ -0.02% (target: -1.00%)	✅ 100.00%

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (1b9b7e6)	19689	16848	85.57%
Head commit (d6b27e8)	19717 (+28)	16869 (+21)	85.56% (-0.02%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#994)	3	3	100.00%

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.55%. Comparing base (1b9b7e6) to head (d6b27e8).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #994      +/-   ##
==========================================
- Coverage   84.58%   84.55%   -0.03%     
==========================================
  Files          74       74              
  Lines       19716    19717       +1     
  Branches     1672     1214     -458     
==========================================
- Hits        16676    16671       -5     
- Misses       2874     3043     +169     
+ Partials      166        3     -163     

Files with missing lines	Coverage Δ
src/commands/mirror_node.ts	76.40% <100.00%> (+0.03%)	⬆️

... and 30 files with indirect coverage changes