Add runners for proper rocky 8 and 9 environments using containers like we now

do for the lint run on rocky.

Author: jonasbardino

.github/workflows/ci.yml

@@ -53,6 +53,23 @@ jobs:
         run: |
           make test
 
+  python3-rocky9:
+    runs-on: ubuntu-22.04
+    container:
+      image: rockylinux/rockylinux:9
+    steps:
+      - name: Check out repository contents
+        uses: actions/checkout@v3
+    - name: Set up Python 3 with DNF
+      run: |
+        dnf install -y python3 python3-pip
+      - name: Setup environment
+        run: |
+          make dependencies
+      - name: Run tests
+        run: |
+          make test
+
   python3-rocky8ish:
     runs-on: ubuntu-20.04
     steps:
@@ -69,6 +86,23 @@ jobs:
         run: |
           make test
 
+  python3-rocky8:
+    runs-on: ubuntu-20.04
+    container:
+      image: rockylinux/rockylinux:8
+    steps:
+      - name: Check out repository contents
+        uses: actions/checkout@v3
+    - name: Set up Python 3 with DNF
+      run: |
+        dnf install -y python3 python3-pip
+      - name: Setup environment
+        run: |
+          make dependencies
+      - name: Run tests
+        run: |
+          make test
+
   python2-latest:
     runs-on: ubuntu-latest
     container: