Merge pull request #551 from cert-manager/renovate/renovate-renovate-43.x

chore(deps): update renovate/renovate docker tag to v43.19.0

Author: cert-manager-prow[bot]

.github/workflows/validate-renovate-config.yaml

@@ -14,7 +14,7 @@ jobs:
     name: Validate renovate config
     runs-on: ubuntu-latest
     container:
-      image: renovate/renovate:43.8.5@sha256:693ad54be8007748120c3e7519b274a7a87199fabf281653f6f07f7bf97a9d71
+      image: renovate/renovate:43.19.0@sha256:d24228ef1500fbc06832a76383e1815402cad86aec180a9a76433634a7e3961f
       options: --user root
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2