fix(renovate): adapt markdownlint version regexp

.drone.yml

@@ -10,7 +10,7 @@ steps:
 - name: markdown lint
   commands:
   - markdownlint *.md
-  image: docker.io/volkerraschek/markdownlint:0.31.1
+  image: docker.io/volkerraschek/markdownlint:0.32.0
   resources:
     limits:
       cpu: 150

renovate.json

@@ -27,7 +27,7 @@
         "^Makefile$"
       ],
       "matchStrings": [
-        "MARKDOWNLINT_VERSION\\?=(?<currentValue>.*) # renovate: datasource=(?<datasource>.*) depName=(?<depName>.*) (lookupName=(?<lookupName>.*))? (versioning=(?<versioning>.*))?"
+        "MARKDOWNLINT_VERSION\\?=(?<currentValue>.*) # renovate: datasource=(?<datasource>.*) depName=(?<depName>.*)( lookupName=(?<lookupName>.*))?( versioning=(?<versioning>.*))?"
       ]
     }
   ]