chore(deps): update renovatebot/github-action action to v43.0.19 (#3555)

Signed-off-by: argoproj-renovate[bot] <161757507+argoproj-renovate[bot]@users.noreply.github.com>
Co-authored-by: argoproj-renovate[bot] <161757507+argoproj-renovate[bot]@users.noreply.github.com>

Author: argoproj-renovate[bot]

.github/workflows/renovate.yaml

@@ -26,7 +26,7 @@ jobs:
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
       - name: Self-hosted Renovate
-        uses: renovatebot/github-action@aec779d4f7845f8431ddf403cf9659d4702ddde0 # v43.0.18
+        uses: renovatebot/github-action@a3c115cd6676c8a5bc72f9715f108759e570daf5 # v43.0.19
         with:
           configurationFile: .github/configs/renovate-config.js
           # renovate: datasource=docker depName=ghcr.io/renovatebot/renovate