Update kubernetes version of the CI

We are lagging a bit behind in terms of kubernetes version we test
against. This updates to run on more "recent" versions of k8s.

Signed-off-by: Vincent Demeester <[email protected]>

Author: vdemeester

.github/workflows/e2e-matrix.yml

@@ -19,6 +19,7 @@ jobs:
       matrix:
         k8s-name:
         - k8s-oldest
+        - k8s
         - k8s-plus-one
 
         feature-flags:
@@ -30,8 +31,10 @@ jobs:
         include:
         - k8s-name: k8s-oldest
           k8s-version: v1.28.x
+        - k8s-name: k8s
+          k8s-version: v1.32.x
         - k8s-name: k8s-plus-one
-          k8s-version: v1.29.x
+          k8s-version: v1.33.x
         - feature-flags: stable
           env-file: prow
         - feature-flags: alpha