:seedling: avoid assumptions about versions in tests

[raboof]

What kind of change does this PR introduce?

It makes the tests more resilient against differences in the environment in which scorecard is built.

• [x] PR title follows the guidelines defined in our pull request documentation

What is the current behavior?

Tests assume they are ran in an environment where the application version is not known/set.

What is the new behavior (if this is a feature change)?**

Tests make no assumptions about version fields anymore

• [x] Tests for the changes have been added (for bug fixes/features)

Which issue(s) this PR fixes

NONE

Special notes for your reviewer

Does this PR introduce a user-facing change?

For user-facing changes, please add a concise, human-readable release note to the release-note

(In particular, describe what changes users might need to make in their application as a result of this pull request.)

NONE

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 60.05%. Comparing base (6815161) to head (fd89e2e). Report is 15 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #4134 +/- ## ========================================== - Coverage 66.06% 60.05% -6.02% ========================================== Files 226 214 -12 Lines 16291 15527 -764 ========================================== - Hits 10763 9325 -1438 - Misses 4854 5511 +657 - Partials 674 691 +17 ```