Adding file path for nerdctl and finch (#87)

> nerdctl uses this package for netns, for finch one of our customer requested it for their systems which uses nerdctl to create a container and have a custom network namespace the container connects to.

Signed-off-by: Shubharanshu Mahapatra <[email protected]>

code clean for the Ns(none) return string. (#67)

Signed-off-by: yanggang <[email protected]>

gha: add golangci-lint

Linting is disabled on Windows, as the current build-tags do not
properly exclude non-unix platforms;

    level=info msg="[runner/filename_unadjuster] Pre-built 0 adjustments in 1.0348ms"
    Error: level=error msg="[linters_context] typechecking error: D:\\a\\netns\\netns\\netns.go:28:18: Stat_t not declared by package unix"
    Error: level=error msg="[linters_context] typechecking error: D:\\a\\netns\\netns\\netns.go:29:17: Fstat not declared by package unix"
    Error: level=error msg="[linters_context] typechecking error: D:\\a\\netns\\netns\\netns.go:32:17: Fstat not declared by package unix"
    Error: level=error msg="[linters_context] typechecking error: D:\\a\\netns\\netns\\netns.go:43:13: Stat_t not declared by package unix"
    Error: level=error msg="[linters_context] typechecking error: D:\\a\\netns\\netns\\netns.go:44:17: Fstat not declared by package unix"
    Error: level=error msg="[linters_context] typechecking error: D:\\a\\netns\\netns\\netns.go:56:13: Stat_t not declared by package unix"
    Error: level=error msg="[linters_context] typechecking error: D:\\a\\netns\\netns\\netns.go:57:17: Fstat not declared by package unix"
    Error: level=error msg="[linters_context] typechecking error: D:\\a\\netns\\netns\\netns.go:71:17: Close not declared by package unix"

Signed-off-by: Sebastiaan van Stijn <[email protected]>

chore(deps): bump golang.org/x/sys to v0.2.0

Signed-off-by: Matthieu MOREL <[email protected]>

feat: dependabot workflow automation for updating dependency

Signed-off-by: Pratik Raj <[email protected]>