Merge pull request #20 from pangeo-data/dependabot/github_actions/actions/cache-2.1.6

Bump actions/cache from 2.1.4 to 2.1.6

Author: Joe Hamman

.github/workflows/main.yaml

@@ -29,7 +29,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
           architecture: x64
-      - uses: actions/[email protected].4
+      - uses: actions/[email protected].6
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ hashFiles('**/dev-requirements.txt') }}
@@ -56,7 +56,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
           architecture: x64
-      - uses: actions/[email protected].4
+      - uses: actions/[email protected].6
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ hashFiles('**/dev-requirements.txt') }}