Fix sass warning about deprecated slash as division (#24653)

Co-authored-by: Nick Schonning <nschonni@gmail.com>

Fix some user-independent endpoints potentially reading session cookies (#24650)

Fix anonymous visitors getting a session cookie on first visit (#24584)

Change unauthenticated responses to be cached in REST API (#24348)

Add more tips to onboarding flow in web UI (#24646)

Change hashtags and mentions in bios to open in-app in web UI (#24643)

Fix crash when SSO_ACCOUNT_SETTINGS is not defined (#24628)

Update `attr_encrypted` & `devise-two-factor` gems (#24626)

Gem version bumps (#24131)

Add feature test for OAuth access grant (#24624)

Fix cutting off first letter of hashtag links sometimes in web UI (#24623)

Enable formatjs/prefer-pound-in-plural (#24622)

Add lines to threads in web UI (#24549)

Bump @typescript-eslint/eslint-plugin from 5.58.0 to 5.59.0 (#24573)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Bump @typescript-eslint/parser from 5.58.0 to 5.59.0 (#24568)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Update Contributor Covenant to 2.1 (#23980)

Remove `tai` locale (#23880)

Update Stylelint disable settings and ignores (#23776)

Add eslint-plugin-formatjs (#23976)

Remove empty Kushubian (csb) local files (#24151)