Add publish goal to changeset action

Author: steveukx

.changeset/olive-clouds-buy.md

@@ -0,0 +1,5 @@
+---
+"simple-git": patch
+---
+
+Release with changesets

.github/workflows/changesets.yml

@@ -22,6 +22,8 @@ jobs:
         -  run: yarn build
 
         -  uses: changesets/action@v1
+           with:
+              publish: yarn changeset publish
            env:
                GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
                NPM_TOKEN: ${{secrets.NPM_AUTH_TOKEN}}