fix(web): corrects Android over-deletion of selected text, other context diffs involving selected text

docs(android/app): Add help page on using the banner

docs(android): Document using gestures on touch, and remove references to Browser

auto: increment beta version to 17.0.269

chore: add from and to params to increment-version

chore: workaround release inc build block

Fixes #10721.

This arose partly because of the change from release- to release@ in at
17.0.30-alpha (triggered by sentry req). Will require a corresponding
patch to CI script to pass the --from and --to parameters.

chore(windows): Update pt-pt translation files

auto: increment master version to 17.0.268

docs(common): Fill in missing HISTORY.md entries

feat(developer): errs on \uXXXX escapes 🙀

feat(developer): errs on unparseable regex 🙀

fix(linux): Use temp dir if we can't create cache dir

Merge remote-tracking branch 'origin/feat/developer/10389-bad-regex-no-biscuit' into feat/developer/10389-more-regex-test

- update per code review

For: #10389

Co-authored-by: Marc Durdin <marc@durdin.net>

- note, some older test cases had to be fixed also.

For: #10389

auto: increment master version to 17.0.267

fix(web): prevent invalid longpress shortcut triggers

- also, make sure NFD-incompliant ranges get mapped to escaped chars
- also, propagate UnicodeSet errs out

For: #10389

feat(windows): update windows engine unit tests to match removal of engine cached context

chore(windows): add const to argument definition