test: fix broken args.test.py (number of digits in the version)

test/box-py/args.test.py

@@ -16,7 +16,7 @@ sys.stdout.push_filter("unrecognized option.*", "unrecognized option")
 server.test_option("-Z")
 server.test_option("--no-such-option")
 server.test_option("--no-such-option --version")
-sys.stdout.push_filter(".* (\d)\.\d\.\d(-\d+-\w+)?", "Tarantool \\1.minor.patch-<rev>-<commit>")
+sys.stdout.push_filter(".* (\d+)\.\d+\.\d(-\d+-\w+)?", "Tarantool \\1.minor.patch-<rev>-<commit>")
 sys.stdout.push_filter("Target: .*", "Target: platform <build>")
 sys.stdout.push_filter(".*Disable shared arena since.*\n", "")
 sys.stdout.push_filter("Build options: .*", "Build options: flags")