Log Message:
Update to 1.2.3

Upstream changes:
blob 1.2.3 (2022-04-10)

    as_blob(NA_character_) returns a missing blob instead of \ 
as_blob("NA") (#26, @michaelchirico).

blob 1.2.2 (2021-07-23)

    Moved to "stable" lifecycle stage.
    Remove is_vector_s3() (#19).

blob 1.2.1

    Inline prettyunits.
    vec_ptype2.hms.default() forwards to vec_default_ptype2() for compatibility \ 
with vctrs 0.2.1.