Fix path handling for Windows

[k1LoW]

SSIA.

[github-actions]

Code Metrics Report

	main (6769f96)	#315 (8117fae)	+/-
Coverage	66.5%	66.4%	-0.1%
Code to Test Ratio	1:0.5	1:0.5	+0.0

Details

  |                    | main (6769f96) | #315 (8117fae) |  +/-  |
  |--------------------|----------------|----------------|-------|
- | Coverage           |          66.5% |          66.4% | -0.1% |
  |   Files            |             32 |             32 |     0 |
  |   Lines            |           2852 |           2843 |    -9 |
- |   Covered          |           1897 |           1888 |    -9 |
+ | Code to Test Ratio |          1:0.5 |          1:0.5 |  +0.0 |
  |   Code             |           7341 |           7329 |   -12 |
+ |   Test             |           3914 |           3993 |   +79 |

Code coverage of files in pull request scope (71.1% → 70.8%)

Files	Coverage	+/-
central/central.go	69.2%	0.0%
config/build.go	59.3%	+1.6%
config/config.go	61.9%	+0.9%
coverage/coverage.go	83.3%	-1.3%
datastore/datastore.go	46.7%	+0.5%
internal/path.go	83.1%	-0.8%
ratio/ratio.go	92.4%	+0.3%

Benchmark-0 (this is custom metrics test)

	main (6769f96)	#315 (8117fae)	+/-
Number of iterations	1000	1000	0
Nanoseconds per iteration	676.5 ns/op	676.5 ns/op	0 ns/op

Metadata

	main (6769f96)	#315 (8117fae)
GOOS	darwin	darwin
GOARCH	amd64	amd64

Benchmark-1 (this is custom metrics test)

	main (6769f96)	#315 (8117fae)	+/-
Number of iterations	1500	1500	0
Nanoseconds per iteration	1345 ns/op	1345 ns/op	0 ns/op

Metadata

	main (6769f96)	#315 (8117fae)
GOOS	darwin	darwin
GOARCH	amd64	amd64

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Reported by octocov