ci: add commitizen configs and ci scripts

.cz.toml

@@ -0,0 +1,13 @@
+[tool.commitizen]
+name = "cz_conventional_commits"
+tag_format = "$version"
+version_scheme = "semver"
+version = "2.0.0"
+update_changelog_on_bump = true
+major_version_zero = false
+pre_bump_hooks = [
+    "ci-scripts/prepare_java_version.sh"
+]
+post_bump_hooks = [
+    "ci-scripts/commit_java_version.sh"
+]