Simplify release post content

                     url=f"{project_prefix}/releases/{release_version}",
                     content=(
                         f"Released <a href={project_prefix}><code>{project['name']}"
-                        f"</code></a> version <code>{release_version}</code>"
+                        f"</code></a> <code>{release_version}</code>"
                     ),
                     visibility="public",
                 )