Baseline: ea4ab7d8

Cherry picks:

   + 3453d035:
     Keep leading zero in formatted date
   + b63af1ec3c09d50e7b96dd496874c98ca2907209:
     Release 7.0.0-pre.20230926.1 (2023-10-05)
   + dc23c2fbc5ae5ef14d59afbedd3e0d29d2ee3d6b:
     Release 7.0.0-pre.20230926.1 (2023-10-05)

Incompatible changes:

  - proto_compiler attribute removed from proto_lang_toolchain
    (it was recently introduced, and there is no evidence of use)
  - --experimental_genquery_use_graphless_query is made to be a NO-OP.

Important changes:

  - The new `--consistent_labels` option on `query`, `cquery`, and
    `aquery` can be used to force consistent label formatting across
    all output modes that is also compatible with `str(Label(...))`
    in Starlark.

This release contains contributions from many people at Google, as well as Alexander Grund, Fabian Meumertzheim, Joseph Lisee, Patrick Balestra, Son Luong Ngoc, Zheng Wei Tan.