Update Hugo on drone build

.drone.yml

@@ -7,10 +7,10 @@ steps:
     commands:
       - apt-get update; apt-get upgrade -y
       - apt-get install -y wget git
-      - wget https://github.com/gohugoio/hugo/releases/download/v0.80.0/hugo_extended_0.80.0_Linux-64bit.deb -O hugo.deb
+      - wget https://github.com/gohugoio/hugo/releases/download/v0.111.2/hugo_extended_0.111.2_linux-amd64.deb -O hugo.deb
       - dpkg -i hugo.deb
       - hugo --destination _site/
-  
+
   - name: docker
     image: plugins/docker
     settings:
@@ -20,12 +20,15 @@ steps:
         from_secret: DOCKER_USERNAME
       password:
         from_secret: DOCKER_PASSWORD
-      tags: 
+      tags:
         - "${DRONE_BUILD_NUMBER}"
         - "hugo"
     when:
       branch:
         - new
+      event:
+        exclude:
+        - pull_request
 
   - name: notify
     image: plugins/matrix