fix(versioning): include composer.json in semantic-release/git config

Author: Jonnx

package.json

@@ -61,7 +61,8 @@
                     "assets": [
                         "CHANGELOG.md",
                         "package.json",
-                        "yarn.lock"
+                        "yarn.lock",
+                        "composer.json"
                     ]
                 }
             ],