Merge pull request #11 from PHPOffice/dependabot/github_actions/actions/setup-python-4

Bump actions/setup-python from 2 to 4

Author: Progi1984

.github/workflows/deploy.yml

@@ -14,7 +14,7 @@ jobs:
         uses: actions/checkout@v2
       ### MkDocs
       - name: Setup Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: 3.x
       - name: Install Python Dependencies

docs/changes/0.2.0.md

@@ -10,4 +10,5 @@
 
 ## Miscellaneous
 
-- Github Action : Roave BC Check by [@Progi1984](https://github/Progi1984) in [#9](https://github.com/PHPOffice/Math/pull/9)
+- Github Action : Roave BC Check by [@Progi1984](https://github/Progi1984) in [#9](https://github.com/PHPOffice/Math/pull/9)
+- Bump actions/setup-python from 2 to 4 by [@dependabot](https://github/dependabot) in [#11](https://github.com/PHPOffice/Math/pull/11)