build(deps): configure package mirrors for faster downloads

environment.yml

@@ -1,6 +1,7 @@
 name: posedet
 channels:
-  - pkgs/main
+  - https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main/
+  - defaults
 dependencies:
   - _libgcc_mutex=0.1
   - _openmp_mutex=5.1
@@ -73,6 +74,7 @@ dependencies:
   - zeromq=4.3.5
   - zlib=1.2.13
   - pip:
+      - --index-url https://pypi.tuna.tsinghua.edu.cn/simple
       - GitPython==3.1.44
       - Jinja2==3.1.6
       - MarkupSafe==3.0.2
@@ -149,5 +151,3 @@ dependencies:
       - tzdata==2025.2
       - urllib3==2.4.0
       - watchdog==6.0.0
-
-prefix: "/home/logic/.local/share/mamba/envs/posedet"