ci: fix broken CI, always test all go code

[thehowl]

There's been another CI fail on master just now, because changes in examples/ were changing the golden output in gnovm/, but gnovm/ was not tested.

This PR implements the suggestion I made in #2531 - ie. not discriminating CIs based on the paths of the modified file.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 54.99%. Comparing base (8865638) to head (b69e5cc).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2625      +/-   ##
==========================================
- Coverage   55.00%   54.99%   -0.01%     
==========================================
  Files         595      595              
  Lines       79775    79775              
==========================================
- Hits        43879    43874       -5     
- Misses      32576    32581       +5     
  Partials     3320     3320              

Flag	Coverage Δ
contribs/gnodev	25.65% <ø> (-0.35%)	⬇️
contribs/gnofaucet	14.46% <ø> (ø)
contribs/gnokeykc	0.00% <ø> (ø)
contribs/gnomd	0.00% <ø> (ø)
gno.land	64.15% <ø> (ø)
gnovm	60.20% <ø> (ø)
misc/autocounterd	0.00% <ø> (ø)
misc/genproto	0.00% <ø> (ø)
misc/genstd	80.54% <ø> (ø)
misc/goscan	0.00% <ø> (ø)
misc/logos	17.38% <ø> (-0.31%)	⬇️
misc/loop	0.00% <ø> (ø)
tm2	54.45% <ø> (-0.02%)	⬇️

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