use python 3.8 to build docs (open-telemetry#1284)

alrex · web-flow · commit 82356a8ee94b · 2020-10-26T15:15:27.000-07:00
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
@@ -15,8 +15,11 @@ jobs:
   docs:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
-    - uses: actions/setup-python@v1
+    - uses: actions/checkout@v2
+    - name: Set up Python py38
+      uses: actions/setup-python@v2
+      with:
+        python-version: py38
     - name: Build docs
       run: |
         pip install --upgrade tox
