pass global context through cobra

cmd/restic/cmd_copy.go

@@ -32,7 +32,7 @@ This can be mitigated by the "--copy-chunker-params" option when initializing a
 new destination repository using the "init" command.
 `,
 	RunE: func(cmd *cobra.Command, args []string) error {
-		return runCopy(globalCtx(), copyOptions, globalOptions, args)
+		return runCopy(cmd.Context(), copyOptions, globalOptions, args)
 	},
 }