release v0.13.0

[mb-wali]

• make a release as soon as the invenio-override has a release and its stable working for Publications

[lpandath]

Updated https://github.com/sharedRDM/invenio-override (3720841200429303561cded3e6374b6003afc381)
Updated invenio-i18n v3.0.0 -> v3.1.0
Updated invenio-override v0.0.4 -> v0.0.6
Added polib v1.2.0