Fixing issue where workspace path doesnt exist in npm publish action (#570)

Trying to also fix issues with the changelog update perms.

Author: mcottontensor

.github/workflows/changesets-publish-npm-packages.yml

@@ -24,7 +24,7 @@ jobs:
         id: query-packages
         run: |
           # get all publishable npm packages
-          public_packages=$(jq -r '.workspaces[]' package.json | xargs -I {} jq -c --arg path "{}" ' select(.private != true) | { path: $path, name: .name, version: .version }' {}/package.json)
+          public_packages=$(jq -r '.workspaces[]' package.json | xargs -I {} bash -c 'if [ -f "{}/package.json" ]; then jq -c --arg path "{}" "select(.private != true) | { path: \$path, name: .name, version: .version }" {}/package.json; fi')
           to_publish=()
           # filter out packages with older or matching versions to the published version
           for row in $public_packages; do

.github/workflows/changesets-update-changelogs.yml

@@ -13,6 +13,7 @@ jobs:
     name: Release
     runs-on: ubuntu-latest
     permissions:
+      contents: write
       pull-requests: write
     steps:
       - name: Checkout Repo