test: Add script and GitHub Action for kfp-kubernetes-test-python38

This change allows the vendors reuse `test/plataform/kfp-kubernetes-execution-tests.sh`.

Signed-off-by: Diego Lovison <diegolovison@gmail.com>

.github/workflows/kfp-kubernetes-test-python38.yaml

@@ -0,0 +1,28 @@
+name: kfp kubernetes tests with Python 3.8
+
+on:
+  push:
+    branches: [master]
+
+  pull_request:
+    paths:
+      - '.github/workflows/kfp-kubernetes-test-python38.yaml'
+      - 'sdk/python/**'
+      - 'api/v2alpha1/**'
+      - 'kubernetes_platform/**'
+
+jobs:
+  kfp-kubernetes-test-python38:
+    runs-on: ubuntu-24.04
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.8'
+
+      - name: Run tests
+        # original file is using sudo
+        run: ./test/plataform/kfp-kubernetes-execution-tests.sh

test/plataform/kfp-kubernetes-execution-tests.sh

@@ -0,0 +1,26 @@
+#!/bin/bash -x
+
+source_root=$(pwd)
+pip install --upgrade pip
+
+pip install wheel
+pip install sdk/python
+sudo apt-get update
+sudo apt-get install -y protobuf-compiler
+
+pushd "${source_root}/api"
+make clean python
+popd
+
+# The orignal script is doing this
+python3 -m pip install api/v2alpha1/python
+pip install api/v2alpha1/python
+
+pushd "${source_root}/kubernetes_platform"
+make clean python
+popd
+
+sudo apt-get install rustc -y
+
+pip install -e "${source_root}/kubernetes_platform/python[dev]"
+pytest "${source_root}/kubernetes_platform/python/test" -n auto