docs: update README for taosdump build (#12100)

* docs: refine taosdump

[TD-14964]

* docs: update taosdump docs

README-CN.md

@@ -121,7 +121,7 @@ sudo dnf install -y maven
 为了在 CentOS 上构建 [taosTools](https://github.com/taosdata/taos-tools) 需要安装如下依赖软件
 
 ```bash
-sudo yum install zlib-devel xz-devel snappy-devel jansson-devel pkgconfig libatomic libstdc++-static
+sudo yum install zlib-devel xz-devel snappy-devel jansson jansson-devel pkgconfig libatomic libstdc++-static
 ```
 
 注意：由于 snappy 缺乏 pkg-config 支持

README.md

@@ -126,7 +126,7 @@ sudo dnf install -y maven
 To build the [taosTools](https://github.com/taosdata/taos-tools) on CentOS, the following packages need to be installed.
 
 ```bash
-sudo yum install zlib-devel xz-devel snappy-devel jansson-devel pkgconfig libatomic libstdc++-static
+sudo yum install zlib-devel xz-devel snappy-devel jansson jansson-devel pkgconfig libatomic libstdc++-static
 ```
 
 Note: Since snappy lacks pkg-config support (refer to [link](https://github.com/google/snappy/pull/86)), it lead a cmake prompt libsnappy not found. But snappy will works well.