dev-perl/YAML-LibYAML: Bump to version 0.690.0

dev-perl/YAML-LibYAML: Bump to version 0.690.0

Upstream:
- (Security) Add $LoadBlessed option[1] to run on/off loading objects
- Fix regex roundtrip [2]
- Fix loading of many regex classes [3]
- Support tags !!str, !!map and !!seq [4]
- Support JSON::PP::Boolean via $YAML::XS::Boolean [5]
- Fix Dump modifying inspected values [6]

[1]
Bug: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=861958
Bug: https://github.com/ingydotnet/yaml-libyaml-pm/issues/45
Bug: https://github.com/ingydotnet/yaml-libyaml-pm/pull/73
Bug: https://github.com/ingydotnet/yaml-libyaml-pm/pull/74
[2]
Bug: https://github.com/ingydotnet/yaml-libyaml-pm/issues/69
Bug: https://github.com/ingydotnet/yaml-libyaml-pm/pull/70
[3]
Bug: https://github.com/ingydotnet/yaml-libyaml-pm/issues/64
Bug: https://github.com/ingydotnet/yaml-libyaml-pm/pull/71
[4]
Bug: https://github.com/ingydotnet/yaml-libyaml-pm/pull/67
[5]
Bug: https://github.com/ingydotnet/yaml-libyaml-pm/pull/66
[6]
Bug: https://github.com/ingydotnet/yaml-libyaml-pm/issues/32
Bug: https://github.com/ingydotnet/yaml-libyaml-pm/pull/55
Package-Manager: Portage-2.3.24, Repoman-2.3.6