Correct microrm-macros dependency and bump version number again.

CHANGELOG.md

@@ -1,6 +1,6 @@
 ## 0.4
 
-### 0.4.3
+### 0.4.4
 - Improved error reporting for IDMap collisions
 - Make Serialized<T> optional via Value derivation macro
 

microrm/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "microrm"
-version = "0.4.3"
+version = "0.4.4"
 edition = "2021"
 license = "BSD-4-Clause"
 authors = ["Kestrel <kestrel@flying-kestrel.ca>"]