Update renovate/renovate Docker tag to v36.52.1

Containerfile

@@ -1 +1 @@
-FROM renovate/renovate:36.43.2
+FROM renovate/renovate:36.52.1

host-test.yml

@@ -7,6 +7,8 @@ grafana_image: grafana/grafana:9.4.7
 # renovate: versioning=docker
 homebox_image: ghcr.io/hay-kot/homebox:v0.9.2
 # renovate: versioning=docker
-renovate_image: renovate/renovate:36.25.0
+renovate_image: renovate/renovate:36.52.1
 
 image: ffmd/bind9-md-freifunk-net:v2022122301
+image: "{{ renovate_image }}"
+dokuwiki_image: bitnami/dokuwiki:20220731@sha256:989ab52cf2d2e0f84166e114ca4ce88f59546b8f6d34958905f8d81c18cbd759

renovate.json

@@ -9,7 +9,7 @@
       "datasourceTemplate": "docker",
       "versioningTemplate": "docker",
       "matchStrings": [
-        "image: (?<depName>.*?):(?<currentValue>.*?)(@sha256:(?<currentDigest>.*?))?\\s"
+        "image: (?<depName>.*?):(?<currentValue>.*?)(@(?<currentDigest>sha256:.*?))?\\s"
       ]
     }
   ]