Use testcontainers-go (#330)

* Use `testcontainers-go`

* Wait for ready

* Sleep

* Remove `time.Sleep`

* Wait until devices appear

* Pass environment

* Add `golangci-lint` to tools

* Minor

.github/workflows/acctest.yml

@@ -33,10 +33,6 @@ jobs:
           cache: true
           check-latest: true
 
-      - run: make testacc-up UNIFI_VERSION=${{ matrix.unifi_version }}
-
       - name: TF acceptance tests
-        timeout-minutes: 10
-        run: make testacc
-
-      - run: make testacc-down
+        timeout-minutes: 20
+        run: make testacc UNIFI_VERSION=${{ matrix.unifi_version }}