Migrate to UV (#4)

Author: jiaxinnns

.github/dependabot.yml

@@ -0,0 +1,10 @@
+version: 2
+updates:
+  - package-ecosystem: "uv"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"

pyproject.toml

@@ -31,3 +31,11 @@ mypy_path = "src"
 
 [tool.hatch.version]
 path = "src/difflib_parser/version.py"
+
+[dependency-groups]
+dev = [
+  "pytest>=8.0",
+  "twine>=6.0",
+  "build>=1.0",
+  "mypy>=1.0",
+]