fix: whiteout handling is broken for newly created dirs

For newly created dirs, overlayfs sets opaque attr which generates a
whiteout file in the blob tarball.

project-stacker/umoci#11

Signed-off-by: Ramkumar Chinchani <rchincha@cisco.com>

go.mod

@@ -284,6 +284,6 @@ require (
 )
 
 replace (
- github.com/opencontainers/umoci => github.com/project-stacker/umoci v0.0.0-20240731171528-3a75e000071d
+ github.com/opencontainers/umoci => github.com/project-stacker/umoci v0.0.0-20240906174318-e9397ba4ced0
  stackerbuild.io/stacker-bom => github.com/project-stacker/stacker-bom v0.0.0-20240509203427-4d685e046780
 )

go.sum

@@ -795,8 +795,8 @@ github.com/proglottis/gpgme v0.1.3 h1:Crxx0oz4LKB3QXc5Ea0J19K/3ICfy3ftr5exgUK1AU
 github.com/proglottis/gpgme v0.1.3/go.mod h1:fPbW/EZ0LvwQtH8Hy7eixhp1eF3G39dtx7GUN+0Gmy0=
 github.com/project-stacker/stacker-bom v0.0.0-20240509203427-4d685e046780 h1:VJQ/G6xlNQqEvdzTdtXJ/XNvxv9LQTDJORik1wuxXJU=
 github.com/project-stacker/stacker-bom v0.0.0-20240509203427-4d685e046780/go.mod h1:S7hlUdKwPKIMNx2ceiqmLKyXq+FOVaVnAuk77AzdhtI=
-github.com/project-stacker/umoci v0.0.0-20240731171528-3a75e000071d h1:MKBVRErs7R34UBQP6ITh97XPPT5GgTDxsme/KxufP5c=
-github.com/project-stacker/umoci v0.0.0-20240731171528-3a75e000071d/go.mod h1:XUXUpCpA/Y8aJWezK1i8o4WDR0Y/vhMcWg+FUNQkKMQ=
+github.com/project-stacker/umoci v0.0.0-20240906174318-e9397ba4ced0 h1:XtoreGqiTF0FXUWG6aWFpYt0/lgOX8+DCkiduC/E1nE=
+github.com/project-stacker/umoci v0.0.0-20240906174318-e9397ba4ced0/go.mod h1:XUXUpCpA/Y8aJWezK1i8o4WDR0Y/vhMcWg+FUNQkKMQ=
 github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
 github.com/prometheus/client_golang v1.0.0/go.mod h1:db9x61etRT2tGnBNRi70OPL5FsnadC4Ky3P0J6CfImo=
 github.com/prometheus/client_golang v1.4.0/go.mod h1:e9GMxYsXl05ICDXkRhurwBS4Q3OK1iX/F2sw+iXX5zU=