fix(ISV-6436): update metadata to support older Python versions

Signed-off-by: Marek Szymutko <mszymutk@redhat.com>

Author: BorekZnovustvoritel

.github/workflows/test.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.13"]
+        python-version: ["3.9", "3.12", "3.13"]
 
     steps:
     - uses: actions/checkout@v4

pyproject.toml

@@ -6,10 +6,9 @@ authors = [
     {name = "Marek Szymutko", email = "mszymutk@redhat.com"},
 ]
 readme = "README.md"
-requires-python = ">=3.13"
+requires-python = ">=3.9"
 dependencies = [
-    "confluent-kafka>=2.12.2",
-    "pylint>=4.0.4",
+    "confluent-kafka==2.13.0",
 ]
 
 [build-system]
@@ -26,12 +25,13 @@ pythonpath = ["src"]
 
 [dependency-groups]
 dev = [
-    "coverage>=7.12.0",
+    "coverage>=7.10.7",
     "mypy>=1.18.2",
-    "pytest>=9.0.1",
+    "pylint>=3.3.9",
+    "pytest>=8.4.2",
     "pytest-asyncio>=0.24.0",
     "pytest-cov>=7.0.0",
     "ruff>=0.14.5",
-    "tox>=4.32.0",
+    "tox>=4.30.3",
     "types-confluent-kafka>=1.4.0",
 ]