just bump leaves the lockfiles' own version entries behind #777

What's wrong

just bump [patch|minor|major] updates package.json, src-tauri/tauri.conf.json and src-tauri/Cargo.toml, but not the lockfile entries that record the app's own version:

• package-lock.json: the root "version" and packages[""].version
• src-tauri/Cargo.lock: the [[package]] name = "sqlpilot" entry

Every release PR so far (#751, #761, #771) has fixed those up afterwards, which the "never hand-edit a lockfile" rule says not to do. Left alone, the next npm install or cargo build rewrites them, and that change lands in an unrelated commit.

Fix

At the end of the bump recipe in justfile, regenerate the entries with the tools rather than sed:

npm install --package-lock-only --ignore-scripts
(cd src-tauri && cargo update -p sqlpilot --offline)

Then scripts/check-release-readiness.sh could also confirm both lockfiles carry the new version.

Found while moving the agent docs into CLAUDE.md (#775).