Update afero to v1.15.0

Signed-off-by: Mark Sagi-Kazar <[email protected]>

Author: sagikazarmark

gcsfs/go.mod

@@ -6,7 +6,7 @@ replace github.com/spf13/afero => ../
 
 require (
 	cloud.google.com/go/storage v1.51.0
-	github.com/spf13/afero v1.14.0
+	github.com/spf13/afero v1.15.0
 	golang.org/x/oauth2 v0.28.0
 	google.golang.org/api v0.226.0
 )