Require spacy-transformers 1.0.1 for v3.0.1

Make wheel the default format and update docs [ci skip]

Set version to v3.0.0rc5

Avoid assuming encode.get_dim('nO') is set in tok2vec (explosion#6800)

Merge pull request explosion#6757 from adrianeboyd/docs/mk-ru-langs […

…ci skip]

Update languages for website

Update contributing guide and issue template [ci skip]

Set version to v2.3.4

Merge branch 'master' into v2.3.x

set pydantic upper pin to 1.7 for now (explosion#6308)

Fix success message [ci skip]