Merge pull request #52 from Recidiviz/dan/latest-image

fix: push `latest` tag and update README.md

Author: ohaibbq

.github/workflows/build.yml

@@ -118,6 +118,7 @@ jobs:
             type=ref,event=pr
             type=semver,pattern={{version}}
             type=semver,pattern={{major}}.{{minor}}
+            type=raw,value=latest,enable={{is_default_branch}}
 
       - name: Create manifest list and push
         working-directory: ${{ runner.temp }}/digests

README.md

@@ -113,8 +113,6 @@ If you want to use docker image to start emulator, specify like the following.
 $ docker run -it ghcr.io/goccy/bigquery-emulator:latest --project=test
 ```
 
-* If you are using an M1 Mac ( and Docker Desktop ) you may get a warning. In that case please use `--platform linux/x86_64` option.
-
 ## How to use from bq client
 
 ### 1. Start the standalone server