feat: add tenancy support for software licenses

Add tenant group and tenant assignments across the model, forms, filters, API, tables, imports, and tests. Replace the Docker-based setup with Git/Pip installation documentation for NetBox 4.6.5.

.github/workflows/docker-image.yml

@@ -1,43 +0,0 @@
----
-name: Docker Image CI
-
-on:
-  push:
-    branches:
-      - master
-  pull_request:
-    types: [opened, synchronize, reopened]
-
-permissions: {}
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
-      with:
-        fetch-depth: 0
-        persist-credentials: false
-
-    - name: Build the Docker image
-      run: docker compose build --no-cache
-
-    - name: Verify the Docker image
-      # smoke test by checking if the migrations for app netbox_slm can be displayed
-      run: docker compose run netbox sh -c "/opt/netbox/venv/bin/python manage.py showmigrations netbox_slm"
-
-    - name: Run Django tests with coverage for netbox_slm
-      run: |
-        chmod go+w ci/reports
-        docker compose run netbox sh -c "\
-          /opt/netbox/venv/bin/coverage run --source='netbox_slm' manage.py test netbox_slm &&\
-          /opt/netbox/venv/bin/coverage report --fail-under=0 &&\
-          /opt/netbox/venv/bin/coverage xml -o /ci/reports/coverage.xml"
-        sed -i "s/<source>\/opt\/netbox\/netbox<\/source>/<source><\/source>/" ci/reports/coverage.xml
-      timeout-minutes: 6
-
-    - name: Sonar scan
-      if: env.SONAR_TOKEN != null
-      uses: SonarSource/sonarqube-scan-action@713881670b6b3676cda39549040e2d88c70d582e # v8.2.0
-      env:
-        SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}