chore: 添加 bump-my-version 配置

.bumpversion.toml

@@ -0,0 +1,20 @@
+[tool.bumpversion]
+current_version = "0.9.7"
+commit = true
+message = "chore(release): {new_version}"
+
+[[tool.bumpversion.files]]
+filename = "pubspec.yaml"
+search = "version: {current_version}"
+replace = "version: {new_version}"
+
+[[tool.bumpversion.files]]
+filename = "CHANGELOG.md"
+search = "## [Unreleased]"
+replace = "## [Unreleased]\n\n## [{new_version}] - {now:%Y-%m-%d}"
+
+[[tool.bumpversion.files]]
+filename = "CHANGELOG.md"
+regex = true
+search = "\\[Unreleased\\]: (https://.+?)v{current_version}\\.\\.\\.HEAD"
+replace = "[Unreleased]: \\1v{new_version}...HEAD\n[{new_version}]: \\1v{current_version}...v{new_version}"