(fix) Change setup.py version to enable the release of this version

Author: abel

setup.py

@@ -17,7 +17,7 @@
 EMAIL = "[email protected]"
 AUTHOR = "Injective Labs"
 REQUIRES_PYTHON = ">=3.7, <3.11"
-VERSION = "0.6.4-pre"
+VERSION = "0.6.4"
 
 REQUIRED = [
     "aiohttp",