Drop Python 3.7 support (#47)

.github/workflows/deploy.yml

@@ -9,11 +9,13 @@ on:
 
 jobs:
   dockerhub:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     if: ${{ github.repository == 'smarkets/marge-bot' }}  # Only run from main repo
     steps:
-    - uses: actions/checkout@v2
-    - uses: actions/setup-python@v2
+    - uses: actions/checkout@v3
+    - uses: actions/setup-python@v4
+      with:
+        python-version: '3.10'
     - name: Dockerize
       run: make dockerize
     - name: Deploy to DockerHub

.github/workflows/test.yml

@@ -17,7 +17,6 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - '3.7'
           - '3.8'
           - '3.9'
           - '3.10'
@@ -41,7 +40,6 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - '3.7'
           - '3.8'
           - '3.9'
           - '3.10'

pyproject.toml

@@ -9,7 +9,7 @@ repository = "https://github.com/hiboxsystems/marge-bot"
 keywords = ["merge request", "gitlab"]
 
 [tool.poetry.dependencies]
-python = "^3.7"
+python = "^3.8"
 ConfigArgParse = "^1.3"
 maya = "^0.6.1"
 PyYAML = "~5.3.1"