Release version 0.4.5 and format publish.py checksum calculation

Author: Bob Strahan

VERSION

@@ -1 +1 @@
-0.4.5-rc1
+0.4.5

publish.py

@@ -2097,7 +2097,10 @@ def get_component_checksum(self, *paths):
 
         # Include deployment context in checksum calculation
         combined = (
-            "".join(checksums) + (self.bucket or "") + (self.prefix_and_version or "") + (self.region or "")
+            "".join(checksums)
+            + (self.bucket or "")
+            + (self.prefix_and_version or "")
+            + (self.region or "")
         )
         result = hashlib.sha256(combined.encode()).hexdigest()