SUM Add Cache

*@ Add cache for pip.

Author: ren-yc

.github/workflows/build.yml

@@ -20,6 +20,13 @@ jobs:
         with:
           python-version: '3.8.10'
           architecture: x64
+      - name: Setup cache
+        uses: actions/cache@v3
+        with:
+          path: ~\AppData\Local\pip\Cache
+          key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-
       - name: Initialize pip
         run: |
           pip install -r requirements.txt