Refactor CI workflow (#4912)

- merge image build workflow into one
- merge package build workflow into one
- merge community related workflow into one

This change makes the workflow more clear

- vLLM version: v0.12.0
- vLLM main:
vllm-project/vllm@ad32e3e

Signed-off-by: wangxiyuan <[email protected]>

Author: wangxiyuan

.github/format_pr_body.sh

@@ -8,8 +8,8 @@ documentation:
 ci/build:
   - changed-files:
       - any-glob-to-any-file:
-          - '.github/actions/*.yml'
-          - '.github/workflows/*.yml'
+          - '.github/actions/*.yaml'
+          - '.github/workflows/*.yaml'
 
 'module:tests':
   - changed-files: