hotfix: handle `Sentinel.UNSET` in click ≥ 8.3.0 (#115)

fallout from pallets/click#3030

feat: add new libraries to gf180mcu (#114)

Add the following libraries:

- `gf180mcu_as_sc_mcu7t3v3`
- `gf180mcu_ocd_io`
- `gf180mcu_ocd_alpha_*`

They are disabled by default.

Signed-off-by: Leo Moser <[email protected]>

feat: allow data source to be set via environment variable (#113)

also update ci to use trusted publisher deployment

hotfix: regression in getting the PDK_FAMILY from the environment in …

…2.1.0 (#112)

- use click `envvars` to resolve `PDK_FAMILY`, `PDK` environment variables
- passing `None` to `resolve_pdk_family` deprecated

hotfix: issue with click ≥8.2.0 (#111)

me when im in a break the API competition and my opponent is click

hotfix: string interpolation on python ≤3.11 (#110)

fix: provenance issues with older sky130 builds, mac builds (#109)

- Hot-patches commit info not being propagated to invocations of
`download.sh` in certain older versions of open_pdks
- Hot-patches GNU-sed only syntax starting in open_pdks 636a08d
- Fix `black` not considering `ciel/build`

feat: usability enhancements (#108)

- new commands `optimize`, `optimize-all` that attempt to deduplicate
files across PDK variants using their hash for either a single version
or a single family (POSIX only)
- new command `ls-pdks` to print out all pdk families and variants to
the terminal (in JSON for non-ttys just like `ls`, `ls-remote`)
- updated pdk family and version parameters to use correct UNIX
conventions `<>` (non-optional) in help strings
- `--help` now no longer truncated on wider terminals, uses `max(80,
USER_TERMINAL_COLUMNS)`
- a number of non-user-facing tweaks to the CLI

hotfix: pagination issue causing infinite loop (#105)

fix: better error reports for invalid requests

Also slightly relax rich requirement

Resolves #104