chore: set beekeeper branch to cache-block-time

Author: gacevicljubisa

.github/workflows/beekeeper.yml

@@ -14,7 +14,7 @@ env:
   SETUP_CONTRACT_IMAGE: "ethersphere/bee-localchain"
   SETUP_CONTRACT_IMAGE_TAG: "0.9.2"
   BEELOCAL_BRANCH: "main"
-  BEEKEEPER_BRANCH: "single-http-client"
+  BEEKEEPER_BRANCH: "cache-block-time"
   BEEKEEPER_METRICS_ENABLED: false
   REACHABILITY_OVERRIDE_PUBLIC: true
   BATCHFACTOR_OVERRIDE_PUBLIC: 2