Update Python dependencies

Author: renovate[bot]

kubernetes/pyproject.toml

@@ -8,7 +8,7 @@ main = [
     "lightkube~=0.19.0",
     "ops[tracing]~=3.5",
     "pyyaml~=6.0",
-    "tenacity~=8.2",
+    "tenacity~=9.1",
 ]
 charm-libs = [
     # data_platform_libs/v0/data_interfaces.py
@@ -18,15 +18,15 @@ charm-libs = [
     # data_platform_libs/v0/upgrade.py requires pydantic ^1.10
     # data_platform_libs/v0/data_models.py requires pydantic ^1.10
     # tempo_coordinator_k8s/v0/charm_tracing.py requires pydantic
-    "pydantic~=1.10",
+    "pydantic~=2.12",
     # mysql/v0/*.py"
     "mysql_shell_client~=0.7",
     # tls_certificates_interface/v1/tls_certificates.py
     # tls_certificates lib uses a feature only available in cryptography >=42.0.5
     "cryptography>=42.0.5",
     "jsonschema",
     # loki_k8s/v0/loki_push_api.py and prometheus_k8s/v0/prometheus_scrape.py
-    "cosl>=0.0.50",
+    "cosl>=1.6.1",
 ]
 format = [
     "ruff~=0.12.7",
@@ -37,22 +37,22 @@ lint = [
     "shellcheck-py~=0.9.0",
 ]
 unit = [
-    "pytest~=7.4",
+    "pytest~=9.0",
     "pytest-mock~=3.11",
     "coverage[toml]~=7.2",
     "parameterized~=0.9.0",
 ]
 integration = [
-    "pytest~=7.4",
+    "pytest~=9.0",
     "jinja2~=3.1",
     "juju~=3.6",
     "mysql-connector-python~=9.1.0",
-    "tenacity~=8.2",
+    "tenacity~=9.1",
     "boto3~=1.28",
     "pyyaml~=6.0",
     "urllib3~=2.0",
     "lightkube~=0.19.0",
-    "kubernetes~=27.2.0",
+    "kubernetes~=35.0.0",
     "allure-pytest~=2.13",
     "allure-pytest-default-results~=0.1.2",
     "jubilant~=1.4.0",