chore(deps): update renovatebot/github-action action to v43.0.8 (#272)

Co-authored-by: grafanarenovatebot[bot] <146220760+grafanarenovatebot[bot]@users.noreply.github.com>

Author: grafanarenovatebot[bot]

.github/workflows/renovate.yml

@@ -37,7 +37,7 @@ jobs:
           owner: ${{ github.repository_owner }}
 
       - name: Self-hosted Renovate
-        uses: renovatebot/github-action@a889a8abcb11ef7feaafaf5e483ea01d4bf7774e # v43.0.5
+        uses: renovatebot/github-action@b11417b9eaac3145fe9a8544cee66503724e32b6 # v43.0.8
         with:
           renovate-version: 40.58.0
           token: "${{ steps.app-token.outputs.token }}"