Bump pyjnius from 1.6.1 to 1.7.0 and Python requirement to 3.9 (#29)

* Bump pyjnius from 1.6.1 to 1.7.0

Bumps [pyjnius](https://github.com/kivy/pyjnius) from 1.6.1 to 1.7.0.
- [Release notes](https://github.com/kivy/pyjnius/releases)
- [Changelog](https://github.com/kivy/pyjnius/blob/master/CHANGELOG.md)
- [Commits](kivy/pyjnius@1.6.1...1.7.0)

---
updated-dependencies:
- dependency-name: pyjnius
  dependency-version: 1.7.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

* Update pyproject.toml

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: ismail simsek <[email protected]>

Author: dependabot[bot]

pyproject.toml

@@ -19,15 +19,15 @@ authors = [
 ]
 description = "Python Debezium Embedded Engine"
 readme = "README.md"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 keywords = ["Debezium", "Replication", "CDC"]
 license = { text = "Apache License 2.0" }
 classifiers = [
     "Development Status :: 5 - Production/Stable",
     "Programming Language :: Python :: 3",
 ]
 dependencies = [
-    "pyjnius==1.6.1",
+    "pyjnius==1.7.0",
 ]
 [project.optional-dependencies]
 iceberg = [