Update Sourcegraph Docker images Docker tags (sourcegraph#551)

Co-authored-by: Renovate Bot <[email protected]>

Author: renovate[bot]

base/indexed-search/indexed-search.StatefulSet.yaml

@@ -20,7 +20,7 @@ spec:
     spec:
       containers:
       - env:
-        image: index.docker.io/sourcegraph/zoekt-webserver:0.0.20200318113244-a0bbf9f@sha256:26dc71ff62882fe73b4e2441d14837d7d70ebd88a24c66e38bf8b9cb6b98a900
+        image: index.docker.io/sourcegraph/zoekt-webserver:0.0.20200318141342-0b140b7@sha256:0d0fbce55b51ec7bdd37927539f50459cd0f207b7cf219ca5122d07792012fb1
         terminationMessagePolicy: FallbackToLogsOnError
         name: zoekt-webserver
         ports:
@@ -47,7 +47,7 @@ spec:
           runAsUser: 100
           runAsGroup: 100
       - env:
-        image: index.docker.io/sourcegraph/zoekt-indexserver:0.0.20200318114456-a0bbf9f@sha256:9ed8e17fc39630b41906ac16e80e12b5d7dbc755a578f922ad13e0e9cd066238
+        image: index.docker.io/sourcegraph/zoekt-indexserver:0.0.20200318141948-0b140b7@sha256:b022fd7e4884a71786acae32e0ec8baf785c18350ebf5d574d52335a346364f9
         terminationMessagePolicy: FallbackToLogsOnError
         name: zoekt-indexserver
         ports: