feat(ci): pull gambol from snap store

Signed-off-by: Jason C. Nucciarone <[email protected]>

.github/workflows/ci.yaml

@@ -58,9 +58,6 @@ jobs:
           channel: 5.21/stable
       - name: Set up gambol
         run: |
-          wget https://github.com/NucciTheBoss/gambol/releases/download/v0.1.0-rc2/gambol_0.1.0_amd64-rc2.snap
-          sudo snap install ./gambol_*.snap --dangerous
-          sudo snap connect gambol:lxd lxd:lxd
-          sudo snap connect gambol:dot-gambol
+          sudo snap install gambol
       - name: Run tests
         run: tox -e integration