ci: add 1.33.x to envtest tests

Signed-off-by: Mikko Ylinen <[email protected]>

Author: mythi

.github/workflows/lib-validate.yaml

@@ -77,9 +77,9 @@ jobs:
     strategy:
       matrix:
         version:
-          - 1.30.x
           - 1.31.x
           - 1.32.x
+          - 1.33.x
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
       - uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5