deps: update dependency cloud-bulldozer/kube-burner to v1.7.6

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/load-test.yml

@@ -9,7 +9,7 @@ on:
 env:
   GO_VERSION: "~1.20"
   # renovate: datasource=github-tags depName=cloud-bulldozer/kube-burner
-  KUBE_BURNER_VERSION: "v1.7.5"
+  KUBE_BURNER_VERSION: "v1.7.6"
 defaults:
   run:
     shell: bash