Package Release: Make sure git workspace is clean before releasing (#41416)

.github/workflows/package-release.yml

@@ -6,6 +6,10 @@ on:
                 description: 'Enter a specific package to release, or releases separated by commas, ie @woocommerce/components,@woocommerce/number. Leaving this input blank will release all eligible packages.'
                 required: false
                 default: '-a'
+            dry_run:
+                description: 'Perform a dry run. Complete all steps but dont actually make the release.'
+                type: boolean
+                required: false
 
 permissions: {}
 
@@ -21,7 +25,10 @@ jobs:
             - name: Setup WooCommerce Monorepo
               uses: ./.github/actions/setup-woocommerce-monorepo
 
+            - name: Clean working directory
+              run: git checkout pnpm-lock.yaml # in case for whatever reason the lockfile is out of sync, there won't be interference with npm publish.
+
             - name: Execute script
-              run: ./tools/package-release/bin/dev publish ${{ github.event.inputs.packages }} --branch=${{ github.ref_name }} --skip-install
+              run: ./tools/package-release/bin/dev publish ${{ github.event.inputs.packages }} --branch=${{ github.ref_name }} ${{ ( github.event.inputs.dry_run == 'true' && '--dry-run' ) || '' }} --skip-install
               env:
                   NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}