Fix publish script (#91)

Changeset doesn't understand `&&`. 🙄

.github/workflows/release-canary.yml

@@ -34,7 +34,6 @@ jobs:
           echo >> .changeset/canary.md
           echo fake change to always get a canary release >> .changeset/canary.md
           yarn changeset version --snapshot canary
-          yarn build
-          yarn changeset publish --tag canary
+          yarn run build-and-publish --tag canary
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

.github/workflows/release.yml

@@ -29,7 +29,7 @@ jobs:
         id: changesets
         uses: changesets/action@v1
         with:
-          publish: yarn build && yarn changeset publish
+          publish: yarn run build-and-publish
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

package.json

@@ -17,7 +17,8 @@
         "lint:eslint": "eslint src/",
         "lint:tsc": "tsc",
         "build": "tsc",
-        "start": "tsc --watch"
+        "start": "tsc --watch",
+        "build-and-publish": "yarn build && yarn changeset publish"
     },
     "repository": {
         "type": "git",