ci: exclude bot branches from push event triggers (#605)

Updated GitHub Actions workflows to prevent bot PRs (dependabot and
xgopilot) from triggering both push and pull_request events. This
avoids duplicate workflow runs.

Changes:
- go.yml: Added branch exclusions for dependabot/** and xgopilot/**
- gentest.yml: Added branch exclusions for dependabot/** and xgopilot/**
- end2end.yml: Added branch exclusions for dependabot/** and xgopilot/**

Fixes #604

Generated with [codeagent](https://github.com/qbox/codeagent)

Co-authored-by: xgopilot <noreply@goplus.org>
Co-authored-by: luoliwoshang <51194195+luoliwoshang@users.noreply.github.com>

Author: 3 people

.github/workflows/end2end.yml

@@ -2,7 +2,10 @@ name: Test Result End2End
 
 on:
   push:
-    branches: [ "**" ]
+    branches:
+      - "**"
+      - "!dependabot/**"
+      - "!xgopilot/**"
   pull_request:
     branches: [ "**" ]
 

.github/workflows/gentest.yml

@@ -2,7 +2,10 @@ name: Test Demo With Generated Pkgs
 
 on:
   push:
-    branches: [ "**" ]
+    branches:
+      - "**"
+      - "!dependabot/**"
+      - "!xgopilot/**"
   pull_request:
     branches: [ "**" ]
 

.github/workflows/go.yml

@@ -5,7 +5,10 @@ name: Go
 
 on:
   push:
-    branches: [ "**" ]
+    branches:
+      - "**"
+      - "!dependabot/**"
+      - "!xgopilot/**"
   pull_request:
     branches: [ "**" ]