build(package): simplify repository fields

created using @octoherd and https://github.com/gr2m/octoherd-script-normalize-package-repository-field

Author: gr2m

package.json

@@ -13,5 +13,6 @@
  "@octokit/core": "^2.5.0",
  "@octokit/plugin-paginate-rest": "^2.2.0",
  "@octokit/plugin-throttling": "^3.2.0"
- }
+ },
+ "repository": "github:gr2m/add-issues-and-prs-to-octokit-project"
 }