fix: use deepmerge instead of non-existing utility function

Author: foosel

octoprint_plugin_tool/__init__.py

@@ -443,13 +443,13 @@ def _generate_pyproject_toml(
 
     if os.path.isfile(pyproject_toml):
         # pyproject.toml already exists, so let's merge things
-        from octoprint.util import dict_merge
+        from deepmerge import always_merger
 
         log("\tFound an existing pyproject.toml, merging...")
         with open(pyproject_toml, mode="rb") as f:
             data = tomllib.load(f)
 
-        doc = dict_merge(doc, data)
+        doc = always_merger.merge(doc, data)
 
     # ensure we are producing valid pyproject data
     validator = validate_pyproject_api.Validator()

pyproject.toml

@@ -18,6 +18,7 @@ maintainers = [
 ]
 
 dependencies = [
+    "deepmerge>=2.0",
     "packaging>=24.2",
     "pyyaml",
     "validate-pyproject",