feat: use pending scaffolding portable Makefile in e2e test script

[ramonpetgrave64]

sigstore/rekor-tiles#38

Summary

pending: sigstore/scaffolding#1517

• Uses the new Makefile to startup fulcio and rekor containers.
  • we could use the Action, but we still want to be able to do all this locally, so we use the Makefile directly.
• attaches the fakeoidc container to the fulcio network by the system's hostname, rather than ip.

Testing

./test/e2e_test.sh

The github action worklfow "CI-Tests"'s job "e2e-tests" uses this script and should pass.

Release Note

Documentation

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 36.45%. Comparing base (2ef6022) to head (0393fa5).
Report is 346 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4117      +/-   ##
==========================================
- Coverage   40.10%   36.45%   -3.65%     
==========================================
  Files         155      210      +55     
  Lines       10044    13736    +3692     
==========================================
+ Hits         4028     5008     +980     
- Misses       5530     8100    +2570     
- Partials      486      628     +142     

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[jku]

Can you describe the planned end state of this PR? Would this use the action from scaffolding?