PMM-14441 Update pmm-dump API to support encryption

[maxkondr]

PMM-14441

Link to the Feature Build: Percona-Lab/pmm-submodules#4309

[codecov]

Codecov Report

❌ Patch coverage is 57.14286% with 27 lines in your changes missing coverage. Please review.
✅ Project coverage is 42.32%. Comparing base (e908b10) to head (d3272c0).

Files with missing lines	Patch %	Lines
managed/services/management/dump/dump.go	0.00%	16 Missing ⚠️
managed/services/dump/dump.go	35.71%	9 Missing ⚠️
managed/models/dump_reform.go	60.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##               v3    #5283      +/-   ##
==========================================
+ Coverage   42.29%   42.32%   +0.03%     
==========================================
  Files         411      411              
  Lines       42146    42196      +50     
==========================================
+ Hits        17825    17861      +36     
- Misses      22516    22530      +14     
  Partials     1805     1805              

Flag	Coverage Δ
admin	34.89% <ø> (ø)
agent	49.22% <ø> (ø)
managed	40.92% <57.14%> (+0.05%)	⬆️
vmproxy	72.41% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.