Alternate strategy for pinning collector images

[trask]

Pros:

• running tests locally use the same version as CI
• version is collocated in the test file
• easily extendable to other images (one extra line in the renovate configuration)

Cons:

• complex renovate rule
• requires scanning test files which are normally ignored by renovate

cc @zeitlinger

[jkwatson]

for this particular rule, we only want to scan test paths, yes? Would it make renovate more efficient if we could encode that?

[trask]

it didn't seem like you could change the ignorePaths per custom manager

I don't think the efficiency is the problem, more about Renovate picking up false positives, which luckily didn't seem to be a problem for this repo (I tested in my fork)

[zeitlinger]

looks good 😄

[jkwatson]

Thanks!

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.01%. Comparing base (20f0a3a) to head (acb36be).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #7586   +/-   ##
=========================================
  Coverage     90.01%   90.01%           
  Complexity     7081     7081           
=========================================
  Files           803      803           
  Lines         21419    21419           
  Branches       2086     2086           
=========================================
  Hits          19280    19280           
  Misses         1477     1477           
  Partials        662      662           

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