build.py: yes, i wrote 01, like a fool

Author: DHowett

build.py

@@ -23,7 +23,7 @@
 from vttmisc import tsi1, tsic
 
 VERSION_YEAR_MONTH = 2111
-VERSION_DAY = 01
+VERSION_DAY = 1
 OUTPUT_DIR = Path("build")
 OUTPUT_OTF_DIR = OUTPUT_DIR / "otf"
 OUTPUT_TTF_DIR = OUTPUT_DIR / "ttf"