test(macos): use httpbox docker image instead

.github/workflows/test-macos.yml

@@ -56,7 +56,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          brew install boost openssl rapidjson p7zip create-dmg cmake
+          brew install boost openssl rapidjson p7zip create-dmg cmake colima docker
 
       - name: Build
         run: |
@@ -83,16 +83,18 @@ jobs:
           curl -L -o server.key "/~https://github.com/Chatterino/twitch-pubsub-server-test/raw/${{ env.TWITCH_PUBSUB_SERVER_TAG }}/cmd/server/server.key"
           cd ..
 
-      - name: Cargo Install httpbox
-        run: |
-          cargo install --git /~https://github.com/kevinastone/httpbox --rev 89b971f
+      - name: Start Colima
+        run: colima start
 
       - name: Test
         timeout-minutes: 30
         run: |
-          httpbox --port 9051 &
+          docker run -p 9051:9051 --detach ghcr.io/chatterino/chatterino2-test-httpbox:latest
           cd ../pubsub-server-test
           ./server 127.0.0.1:9050 &
           cd ../build-test
           ctest --repeat until-pass:4 --output-on-failure
         working-directory: build-test
+
+      - name: Stop Colima
+        run: colima stop