fix gitpod bug (#484)

### What problem were solved in this pull request?

Issue Number: close #483

Problem:
gitpod 环境有问题，找不到libevent。看起来执行sudo命令时失败了。

### What is changed and how it works?
使用基础镜像oceanbase/miniob，这个镜像也已经构建好了依赖
<img width="774" alt="image"
src="https://github.com/user-attachments/assets/5988b56a-2bd2-4b0e-8d5d-62fc719c0d38">

.gitpod.yml

@@ -1,10 +1,3 @@
-github:
-  prebuilds:
-    master: false
-    branches: false
-tasks:
-  - name: install dependencies
-    init: |
-      sudo apt install cmake flex bison texinfo libreadline-dev -y
-      sudo bash build.sh init
-      echo -e "\033[32m\nDependency installed successfully\033[0m"
+coreDump:
+  enabled: true
+image: oceanbase/miniob:latest

CMakeLists.txt

@@ -7,7 +7,7 @@ MESSAGE(STATUS "This is Project source dir " ${PROJECT_SOURCE_DIR})
 MESSAGE(STATUS "This is PROJECT_BINARY_DIR dir " ${PROJECT_BINARY_DIR})
 
 SET(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/bin)
-SET(CMAKE_PREFIX_PATH "${CMAKE_PREFIX_PATH};${PROJECT_SOURCE_DIR}/deps/3rd/usr/local")
+SET(CMAKE_PREFIX_PATH "${PROJECT_SOURCE_DIR}/deps/3rd/usr/local;/usr/local;${CMAKE_PREFIX_PATH}")
 SET(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_SOURCE_DIR}/cmake)
 
 # 设置默认构建类型为 Debug