2.6.x must lock to stripes-webpack ~4.1 (without stripes-ui)

Overview: 2.6.x must lock to stripes-webpack ~4.1 (without stripes-ui) in order to remain backwards-compatible with Nolana (2022-R3).

Details: stripes-webpack beginning in v4.2.0 looks for its entrypoint in stripes-ui instead of stripes-core. stripes-ui wasn't added to @folio/stripes until v8.0.0, the Orchid (2023-R1) release. Given that stripes-cli v2.6 was available at the time of the Nolana release, everything in the stripes-cli v2.6.x line should continue to leverage stripes-webpack v4.1 in order to build @folio/stripes v7.x.

Additional details: Slack conversation