Bump vndr to a6e196d8b4b0cbbdc29aebdb20c59ac6926bb384

Includes a fix to cleanup unused vendor-directories

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

hack/dockerfile/binaries-commits

@@ -7,7 +7,7 @@ RUNC_COMMIT=0351df1c5a66838d0c392b4ac4cf9450de844e2d
 CONTAINERD_COMMIT=06b9cb35161009dcb7123345749fef02f7cea8e0
 TINI_COMMIT=949e6facb77383876aeff8a6944dde66b3089574
 LIBNETWORK_COMMIT=7b2b1feb1de4817d522cc372af149ff48d25028e
-VNDR_COMMIT=9909bb2b8a0b7ea464527b376dc50389c90df587
+VNDR_COMMIT=a6e196d8b4b0cbbdc29aebdb20c59ac6926bb384
 
 # Linting
 GOMETALINTER_COMMIT=bfcc1d6942136fd86eb6f1a6fb328de8398fbd80