Don’t assume bazel-bin is symlinked in workspace

[dgageot]

Fix #1319

[codecov-io]

Codecov Report

Merging #1340 into master will increase coverage by 0.27%.
The diff coverage is 45.45%.

@@            Coverage Diff             @@
##           master    #1340      +/-   ##
==========================================
+ Coverage   44.74%   45.02%   +0.27%     
==========================================
  Files         114      114              
  Lines        4890     4900      +10     
==========================================
+ Hits         2188     2206      +18     
+ Misses       2478     2468      -10     
- Partials      224      226       +2

Impacted Files	Coverage Δ
pkg/skaffold/build/local/bazel.go	36.73% <45.45%> (+36.73%)	⬆️

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