Update bitnami/kubectl Docker tag to v1.33.4-debian-12-r0

Author: renovate[bot]

.github/workflows/test-the-boilerplate.yml

@@ -4,7 +4,7 @@ on: [push]
 jobs:
   test-boilerplate:
     runs-on: ubuntu-latest
-    container: bitnami/kubectl:1.33-debian-12@sha256:ed0b31a0508da84ee655c5c6e01bd3897fc56ad6cf69debb27fa1893a06d2246
+    container: bitnami/kubectl:1.33.4-debian-12-r0@sha256:ed0b31a0508da84ee655c5c6e01bd3897fc56ad6cf69debb27fa1893a06d2246
     steps:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - run: ./testing/test.sh