ci: 👷 remove drone; change proxy port

.drone.yml

@@ -1,11 +0,0 @@
-kind: pipeline
-type: docker
-name: default
-
-steps:
-  - name: greeting
-    commands:
-      - echo hello world
-trigger:
-  event:
-    - push

.gitea/workflows/demo.yaml

@@ -6,8 +6,8 @@ jobs:
   Explore-Gitea-Actions:
     runs-on: ubuntu-latest
     env:
-      http_proxy: http://172.17.0.1:7890
-      https_proxy: http://172.17.0.1:7890
+      http_proxy: http://172.17.0.1:8964
+      https_proxy: http://172.17.0.1:8964
     steps:
       - run: echo "🎉 The job was automatically triggered by a ${{ gitea.event_name }} event."
       - run: echo "🐧 This job is now running on a ${{ runner.os }} server hosted by Gitea!"