Migrate tox tests from buildbot to actions

- also disable bootstrap on tor test, I don't think it's working
  correctly

Author: PeterSurda

.buildbot/tox-bionic/Dockerfile

@@ -8,6 +8,10 @@ on:
 
 jobs:
   build:
+    # Only run on Gitea; this build needs a self-hosted runner with
+    # the tool cache and is not meant for GitHub's hosted runners.
+    if: >-
+      !contains(github.server_url, 'github.com')
     name: buildozer android debug
     runs-on: ubuntu-latest
     container: ubuntu:focal
@@ -86,5 +90,3 @@ jobs:
               | tar --list -z > package.list
           cat package.list
           grep '\.sql$' package.list || exit 1
-
-

.buildbot/tox-bionic/build.sh

@@ -70,7 +70,7 @@ jobs:
       # ── Common ─────────────────────────────────────────────────
       - name: Install tox
         run: |
-          pip install "tox<4" "virtualenv<20.22.0"
+          pip install --upgrade tox virtualenv
 
       - name: Run tox -e ${{ matrix.tox-env }}${{ matrix.tox-suffix }}
         run: tox -e ${{ matrix.tox-env }}${{ matrix.tox-suffix }}