⚙️ revert the changelog title change (#78)

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Author: acabarbaye

news/202303011436.misc

@@ -0,0 +1 @@
+Add title to changelog releases

pyproject.toml

@@ -71,7 +71,7 @@ patch = "news/*.bugfix"
 directory = "news"
 filename = "CHANGELOG.md"
 package = "continuous_delivery_scripts"
-title_format = false
+title_format = "{version} ({project_date})"
 start_string = """
 [//]: # (begin_release_notes)
 """