bump version to 0.6.5

CHANGELOG.md

+Release v0.6.5 (2020-04-07)
+---------------------------
+
+### Bug Fixes
+
+- Unix style executable script suffix is missing.
+
+
 Release v0.6.4 (2020-04-07)
 ---------------------------
 

pdm/__init__.py

-__version__ = "0.6.4"
+__version__ = "0.6.5"

pdm/models/environment.py

@@ -362,7 +362,7 @@ class Environment:
         maker.executable = new_path
         shebang = maker._get_shebang("utf-8").rstrip()
         for child in Path(scripts).iterdir():
-            if not child.is_file() or child.suffix not in (".exe", ".py"):
+            if not child.is_file() or child.suffix not in (".exe", ".py", ""):
                 continue
             child.write_bytes(
                 re.sub(rb"#!.+?python.*?$", shebang, child.read_bytes(), flags=re.M)