add test install with github actions

.github/workflows/tests.yml

@@ -0,0 +1,19 @@
+name: test package installs
+
+on: [push, pull_request]
+
+jobs:
+  test-install:
+    matrix:
+      ubi-version:
+        - 8
+        - 9
+    runs-on: ubuntu-latest
+    container: registry.access.redhat.com/ubi${{ matrix.ubi-version }}:latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: test installation
+        run: |
+          yum -y install https://dl.fedoraproject.org/pub/epel/epel-release-latest-$(rpm -E '%{rhel}').noarch.rpm
+          dnf copr enable -y ktdreyer/python3.11
+          dnf -y install python3.11-dnf