ci: use python38 for actions (#659)

* ci: use python38 for actions

* chore: add changelog

.github/workflows/cd.yml

@@ -30,7 +30,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: 3.7
+          python-version: 3.8
       - name: Install requirements
         run: make init
       - name: Lint with flake8, black and isort

.github/workflows/force-docs-build.yml

@@ -29,7 +29,7 @@ jobs:
           fetch-depth: 0
       - uses: actions/setup-python@v2
         with:
-          python-version: 3.7
+          python-version: 3.8
       - name: Build doc and push to gh-pages
         run: |
           git config --local user.email "[email protected]"

.github/workflows/pr.yml

@@ -41,7 +41,7 @@ jobs:
           ref: ${{ env.BRANCH_NAME }}
       - uses: actions/setup-python@v2
         with:
-          python-version: 3.7
+          python-version: 3.8
       - uses: actions/setup-node@v2
         with:
           node-version: '14'

CHANGELOG.md

@@ -16,6 +16,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
+- Use python 3.8 in Github actions. ([#659](https://github.com/jina-ai/finetuner/pull/659))
+
 ### Docs