3.1.0 (2021-06-22)

add a console command to see memcached stats (#5186) (b359c90)
add a rate limiter for locationiq queries (#5185) (f8442ba)
add Indonesian language (#5190) (16cd47e)
add new logging stack for papertrail+errorlog (#5166) (744efb0)
add notes when importing vcard (#5216) (36912bc)
allow recovery codes when disabling 2FA (#4970) (1f4c4c4)
datestamp filename of exported SQL file. (#5136) (a658fcf)
download and get storage files as private (#5192) (7fdc445)
email field on add person (#5097) (2392afc)
make archived contact readonly (#5285) (a3fdac9)
search notes when searching through contacts (#5103) (6378bc1)

fix import vcard stability (#5160) (3f2821d)
fix importvcard job (#5151) (cf8041c)
fix name order selection and result (#5255) (d3217c0)
fix stripe pages stability (#5161) (53977cc)
fix tags list filtering (#5123) (99bd8e1)
fix unarchive on limited account (#5256) (8357d0f)
fix vcard import to generate avatars (#5193) (6323a5d)
left trim url if there is a trailing slash (#5149) (56572bb)
package.json & yarn.lock to reduce vulnerabilities (#5269) (9c111c3)

Monica