fix(lambda-at-edge, e2e-tests): don't rewrite non-dynamic api routes

[dphang]

No description provided.

[codecov]

Codecov Report

Merging #698 into master will decrease coverage by 0.00%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #698      +/-   ##
==========================================
- Coverage   80.18%   80.18%   -0.01%     
==========================================
  Files          54       54              
  Lines        1726     1731       +5     
  Branches      365      366       +1     
==========================================
+ Hits         1384     1388       +4     
- Misses        284      285       +1     
  Partials       58       58              

Impacted Files	Coverage Δ
packages/libs/lambda-at-edge/src/api-handler.ts	86.36% <100.00%> (-0.82%)	⬇️

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