Bump actions/cache from 2.1.7 to 3.0.1 (#26)

Author: dependabot[bot]

.github/workflows/main.yaml

@@ -22,7 +22,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
           architecture: x64
-      - uses: actions/cache@v2.1.7
+      - uses: actions/cache@v3.0.1
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ hashFiles('**/dev-requirements.txt') }}
@@ -55,7 +55,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
           architecture: x64
-      - uses: actions/cache@v2.1.7
+      - uses: actions/cache@v3.0.1
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ hashFiles('**/dev-requirements.txt') }}