Fixup CI, drop Phoenix LiveView pre-1.0

Author: dbernheisel

.github/workflows/ci.yml

@@ -55,8 +55,5 @@ jobs:
       - run: mix deps.get --only test
       - run: mix compile --force --warnings-as-errors
       - run: mix blend.get
-      - run: BLEND=phoenix_live_view_v0_18 mix test
-      - run: BLEND=phoenix_live_view_v0_19 mix test
-      - run: BLEND=phoenix_live_view_v0_20 mix test
       - run: BLEND=phoenix_live_view_v1_0 mix test
       - run: BLEND=phoenix_live_view_v1_1 mix test

blend.exs

@@ -1,7 +1,4 @@
 %{
-  phoenix_live_view_v0_18: [{:phoenix_live_view, "~> 0.18.0"}],
-  phoenix_live_view_v0_19: [{:phoenix_live_view, "~> 0.19.0"}],
-  phoenix_live_view_v0_20: [{:phoenix_live_view, "~> 0.20.0"}],
   phoenix_live_view_v1_0: [{:phoenix_live_view, "~> 1.0.0"}],
   phoenix_live_view_v1_1: [{:phoenix_live_view, "~> 1.1.0"}]
 }