Migrate to containerd v1.6.4

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

vendor/github.com/spf13/cobra/zsh_completions.go

@@ -202,7 +202,7 @@ _%[1]s()
         _arguments '*:filename:'"$filteringCmd"
     elif [ $((directive & shellCompDirectiveFilterDirs)) -ne 0 ]; then
         # File completion for directories only
-        local subDir
+        local subdir
         subdir="${completions[1]}"
         if [ -n "$subdir" ]; then
             __%[1]s_debug "Listing directories in $subdir"
@@ -250,7 +250,7 @@ _%[1]s()
 
 # don't run the completion function when being source-ed or eval-ed
 if [ "$funcstack[1]" = "_%[1]s" ]; then
-	_%[1]s
+    _%[1]s
 fi
 `, name, compCmd,
 		ShellCompDirectiveError, ShellCompDirectiveNoSpace, ShellCompDirectiveNoFileComp,