feat: drop python 3.10 support (#2469)

# What does this PR do?

dropped python3.10, updated pyproject and dependencies, and also removed
some blocks of code with special handling for enum.StrEnum

Closes #2458

Signed-off-by: Charlie Doern <cdoern@redhat.com>

.github/workflows/integration-tests.yml

@@ -26,7 +26,7 @@ jobs:
         # TODO: generate matrix list from tests/integration when fixed
         test-type: [agents, inference, datasets, inspect, scoring, post_training, providers, tool_runtime, vector_io]
         client-type: [library, http]
-        python-version: ["3.10", "3.11", "3.12"]
+        python-version: ["3.11", "3.12"]
       fail-fast: false # we want to run all tests regardless of failure
 
     steps:

.github/workflows/unit-tests.yml

@@ -25,7 +25,6 @@ jobs:
       fail-fast: false
       matrix:
         python:
-          - "3.10"
           - "3.11"
           - "3.12"
           - "3.13"