fix: update helm binary digest to 3.8.0 digest

[MarlonGamez]

Related: #7147

Description
PR updates the digest value for the helm binary we download in the skaffold deps images

[codecov]

Codecov Report

Merging #7201 (3352deb) into main (290280e) will decrease coverage by 1.97%.
The diff coverage is 56.96%.

@@            Coverage Diff             @@
##             main    #7201      +/-   ##
==========================================
- Coverage   70.48%   68.50%   -1.98%     
==========================================
  Files         515      560      +45     
  Lines       23150    26495    +3345     
==========================================
+ Hits        16317    18151    +1834     
- Misses       5776     7092    +1316     
- Partials     1057     1252     +195     

Impacted Files	Coverage Δ
cmd/skaffold/app/cmd/deploy.go	52.00% <ø> (-1.85%)	⬇️
cmd/skaffold/app/cmd/dev.go	84.61% <0.00%> (ø)
cmd/skaffold/app/cmd/render.go	36.66% <0.00%> (-4.72%)	⬇️
cmd/skaffold/skaffold.go	0.00% <0.00%> (ø)
cmd/skaffold/app/cmd/inspect_tests.go	62.50% <14.28%> (-1.14%)	⬇️
cmd/skaffold/app/cmd/lsp.go	28.12% <28.12%> (ø)
cmd/skaffold/app/cmd/fix.go	68.85% <40.00%> (-7.62%)	⬇️
cmd/skaffold/app/cmd/lint.go	42.85% <42.85%> (ø)
cmd/skaffold/app/cmd/find_configs.go	48.88% <50.00%> (+0.24%)	⬆️
cmd/skaffold/app/skaffold.go	76.19% <70.00%> (-8.43%)	⬇️
... and 223 more

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