Use python 3.8 on the backend

.github/workflows/deploy-cli.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-18.04
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-python@v1
+      - uses: actions/setup-python@v2
         with:
           python-version: "3.6"
       - name: test cli
@@ -22,7 +22,7 @@ jobs:
     needs: test-cli
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-python@v1
+      - uses: actions/setup-python@v2
         with:
           python-version: "3.6"
       - name: deploy cli

.github/workflows/test.yml

@@ -84,7 +84,7 @@ jobs:
         python-version: [3.6, 3.7, 3.8]
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-python@v1
+      - uses: actions/setup-python@v2
         with:
           python-version: ${{ matrix.python-version }}
       - name: test cli
@@ -96,9 +96,9 @@ jobs:
     runs-on: ubuntu-18.04
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-python@v1
+      - uses: actions/setup-python@v2
         with:
-          python-version: "3.6"
+          python-version: "3.8"
       - name: test backend
         run: |
           cd containers/backend

containers/backend/Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.6
+FROM python:3.8
 LABEL maintainer="LessPass <contact@lesspass.com>"
 LABEL name="LessPass Backend"
 RUN mkdir /opt/backend