Update blank.yml

.github/workflows/blank.yml

@@ -1,4 +1,4 @@
-name: CI
+name: Deploy documentation
 
 on:
   workflow_dispatch:
@@ -17,6 +17,16 @@ jobs:
         python-version: '3.8' # Version range or exact version of a Python version to use, using SemVer's version range syntax
         architecture: 'x64' # optional x64 or x86. Defaults to x64 if not specified
     - uses: actions/checkout@v1
+    - name: Cache pip
+      uses: actions/cache@v2
+      with:
+        # This path is specific to Ubuntu
+        path: ~/.cache/pip
+        # Look to see if there is a cache hit for the corresponding requirements file
+        key: ${{ runner.os }}-pip-${{ hashFiles('requirements.txt') }}
+        restore-keys: |
+          ${{ runner.os }}-pip-
+          ${{ runner.os }}-
     - run: pip3 install -r requirements.txt
     # Standard drop-in approach that should work for most people.
     - run: cd docs && make html