prepare 3.13.0

[andersone1]

3.12.0...release/3.13.0

[andersone1]

scores:
{
  "testing": {
    "check": 1,
    "coverage": 0.7615
  },
  "documentation": {
    "has_vignettes": 1,
    "has_website": 1,
    "has_news": 1
  },
  "maintenance": {
    "has_maintainer": 1,
    "news_current": 1
  },
  "transparency": {
    "has_source_control": 1,
    "has_bug_reports_url": 1
  }
}