feat(security): Add provenance (#671)

Author: AaronDewes

.github/workflows/release.yml

@@ -6,6 +6,14 @@ name: Release
       - next
       - beta
       - "*.x"
+
+# These are recommended by the semantic-release docs: https://github.com/semantic-release/npm#npm-provenance
+permissions:
+  contents: write # to be able to publish a GitHub release
+  issues: write # to be able to comment on released issues
+  pull-requests: write # to be able to comment on released pull requests
+  id-token: write # to enable use of OIDC for npm provenance
+
 jobs:
   release:
     name: release

package.json

@@ -2,7 +2,8 @@
   "name": "@octokit/core",
   "version": "0.0.0-development",
   "publishConfig": {
-    "access": "public"
+    "access": "public",
+    "provenance": true
   },
   "description": "Extendable client for GitHub's REST & GraphQL APIs",
   "scripts": {