message: changeset: cleanup packages
  This commit adds all packages in the `go` directory
  to the changesets packages so that they don't need
  to be added individually. It also removes `specs` since
  that directory no longer exists.
diff: "packages/*",
  "l2geth",
  "integration-tests",
  - "specs",
  - "go/gas-oracle",
  - "go/batch-submitter",
  - "go/l2geth-exporter",
  - "go/proxyd",
  - "go/op-exporter",
  + "go/*",
  "ops/docker/rpc-proxy",
  "ops/docker/hardhat"
  ],
  