build: use deterministic moduleIds (webpack)

ci: update go install commands in release workflow

docs: update spelling of datasource to data source

chore: update CHANGELOG

ci: ignore unsigned plugin error

chore: run jsonnetfmt on all files

chore: update broken link in README

chore: update release date

chore: update release date, temp. disable plugin validator

disabled plugin validator due to:

    {
      "level": "error",
      "message": "README contains a broken link",
      "details": "Something went wrong when we tried looking up [http:https://www.brendangregg.com/usemethod.html](http:https://www.brendangregg.com/usemethod.html) (`Get \"http:https://www.brendangregg.com/usemethod.html\": dial tcp 50.63.8.6:80: i/o timeout`)."
    }

update v3.0.1 release date