Add seperate build step to speed up tests

.drone1.yml

@@ -47,6 +47,17 @@ steps:
     pull: true
     environment:
       GOFLAGS: '-mod=vendor'
+    commands:
+      - make build
+    when:
+      event: [ push, tag, pull_request ]
+
+  - name: lint
+    image: vikunja/golang-build:latest
+    pull: true
+    environment:
+      GOFLAGS: '-mod=vendor'
+    depends_on: [ build ]
     commands:
       - make generate
       - make lint
@@ -59,7 +70,6 @@ steps:
       - make static-check
       - wget -O - -q https://raw.githubusercontent.com/securego/gosec/master/install.sh | sh -s -- -b $GOPATH/bin v2.2.0 # Need to manually install as it does not support being installed via go modules like the rest.
       - make gosec-check
-      - make build
     when:
       event: [ push, tag, pull_request ]