fix drone file to use k8s, simplify a bit

.drone.yml

@@ -1,23 +1,21 @@
 kind: pipeline
 name: default
+type: kubernetes
 
-workspace:
-  base: /go
-  path: src/github.com/oliver006/drone-cloud-run
 
 steps:
   - name: tests
-    image: "golang:1.16"
+    image: "golang:1.20"
     environment:
       COVERALLS_TOKEN:
         from_secret: coveralls-token
     commands:
-      - 'echo " ! gofmt -d *.go 2>&1 | read " | bash'
       - 'go vet ./...'
       - "go build"
       - "go test -v -covermode=atomic -cover -race -coverprofile=coverage.txt"
-      - "go get github.com/mattn/goveralls"
+      - "go install github.com/mattn/goveralls@v0.0.11"
       - "/go/bin/goveralls -v -coverprofile=coverage.txt -service=drone.io"
+      - 'echo " ! gofmt -d *.go 2>&1 | read " | bash'
     when:
       event:
         - push
@@ -56,77 +54,7 @@ steps:
         - pull_request
         - push
         - tag
-
-
-  - name: update-dummy-docker-tst-image
-    image: plugins/docker
-    settings:
-      username: _json_key
-      password:
-        from_secret: google_credentials
-      repo: gcr.io/phone-21zoo-com/drone-cloud-run-test
-      registry: gcr.io
-      tags: latest
-      dockerfile: tst/Dockerfile
-    when:
-      branch:
-        - master
-      event:
-        - push
-
-
-  - name: build-and-publish-new-drone-image-for-test
-    image: plugins/docker
-    settings:
-      repo: oliver006/drone-cloud-run
-      tags: test
-      debug: true
-      build_args:
-        - 'TAG=test'
-        - 'SHA1=${DRONE_COMMIT_SHA}'
-      username:
-        from_secret: docker_username
-      password:
-        from_secret: docker_password
-    when:
-      branch:
-        - master
-      event:
-        - push
-
-
-  - name: sleep-10s
-    image: alpine
-    commands:
-      - sleep 10
-    when:
-      branch:
-        - master
-      event:
-        - push
-
-
-  - name: deploy-using-new-test-drone-image
-    image: oliver006/drone-cloud-run:test
-    pull: always
-    settings:
-      action: deploy
-      service: test-drone-cloud-run-master
-      image: gcr.io/phone-21zoo-com/drone-cloud-run-test:latest
-      memory: 128Mi
-      region: us-central1
-      allow_unauthenticated: true
-      environment:
-        VAR_1: "var01"
-        VERSION: "${DRONE_COMMIT_SHA}"
-      token:
-        from_secret: google_credentials
-    when:
-      branch:
-        - master
-      event:
-        - push
-
+
 
   - name: on-tag-build-and-publish-new-drone-image
     image: plugins/docker