ci: only pin to hugo patch release

.woodpecker/docs.yml

@@ -44,7 +44,7 @@ steps:
       - event: [pull_request]
 
   - name: build
-    image: quay.io/thegeeklab/hugo:0.136.5
+    image: quay.io/thegeeklab/hugo:0.136
     commands:
       - hugo --panicOnWarning -s exampleSite/
 

.woodpecker/test.yml

@@ -24,7 +24,7 @@ steps:
       FORCE_COLOR: "true"
 
   - name: testbuild
-    image: quay.io/thegeeklab/hugo:0.136.5
+    image: quay.io/thegeeklab/hugo:0.136
     depends_on: [assets]
     commands:
       - mkdir -p exampleSite/themes/ && ln -s $(pwd)/ exampleSite/themes/${CI_REPO_NAME}