Use GitHub Actions instead of Travis CI

.github/workflows/tox.yml

@@ -0,0 +1,33 @@
+---
+name: Run Tox
+
+# yamllint disable rule:truthy
+on:
+  - push
+  - pull_request
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Run Tox tests
+        id: test
+        uses: fedora-python/tox-github-action@master
+        with:
+          tox_env: py39,lint
+          # Same list of packages in Dockerfile
+          dnf_install: >-
+            --repo fedora --repo updates
+            python3-requests
+            python3-jira
+            python3-fedmsg-core
+            python3-pygithub
+            python3-jinja2
+            python3-pypandoc
+            python3-requests-kerberos
+
+      - name: Coveralls
+        uses: AndreMiras/coveralls-python-action@develop

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py37,lint
+envlist = py39,lint
 
 [testenv]
 passenv = TRAVIS TRAVIS_*
@@ -13,18 +13,19 @@ setenv =
     CONFLUENCE_USERNAME=mock_confluence_username
     CONFLUENCE_PASSWORD=mock_confluence_password
 basepython =
-    py37: python3.7
+    py39: python3.9
 deps =
     -r{toxinidir}/requirements.txt
     -r{toxinidir}/test-requirements.txt
-sitepackages = False
+sitepackages = True
+whitelist_externals = /usr/bin/flake8
 commands =
     coverage run -m pytest {posargs} --ignore=tests/integration_tests
-# Add the following line locally to get an HTML report --cov-report html:htmlcov-py37
+# Add the following line locally to get an HTML report --cov-report html:htmlcov-py39
 
 [testenv:lint]
 skip_install = true
-basepython = python3.7
+basepython = python3.9
 deps =
     flake8
 commands =