build: update all non-major dependencies (main)

[angular-robot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
firebase-tools	15.22.0 → 15.22.3
protobufjs	8.6.4 → 8.6.5
rollup-plugin-sourcemaps2	0.5.7 → 0.5.8

---

• If you want to rebase/retry this PR, check this box

---

Release Notes

firebase/firebase-tools (firebase-tools)

v15.22.3

Compare Source

• Disable 'keep-alive' in google-auth-library calls to avoid Premature close errors on some Node versions (#​10716).

v15.22.2

Compare Source

• Upgrade zod to v4 and drop the deprecated zod-to-json-schema dependency in favor of zod v4's built-in z.toJSONSchema().
• Updated the Firebase Data Connect local toolkit to v3.4.14, which includes the following changes:
  • Fix linter warnings in generated Kotlin SDK files.
• Changed calls to 'cloudbilling.googleapis.com' to use user project quota to avoid shared quota exhaustion issues.
• Fixed an intermittent "Premature close" error during login and API requests by retrying once without keep-alive. (#​10692)

v15.22.1

Compare Source

• Fixed various issues with Data Connect emulator / deploy by updating binary to version 3.4.13.
• Temporarily pinned firebase-docker-image to Node 24.16.0 to mitigate nodejs/node#63989.

protobufjs/protobuf.js (protobufjs)

v8.6.5

Compare Source

Bug Fixes

• Implement open/closed enum semantics (#​2337) (2abd056)
• Omit implicit scalar defaults during encode (#​2336) (b8d0b84)
• Support hardened prototype properties (#​2313) (1aca107)
• Use own-property semantics for internal maps (#​2335) (9f97fe4)

2wce/rollup-plugin-sourcemaps2 (rollup-plugin-sourcemaps2)

v0.5.8

Patch Changes

• 0c3ab2f: Add npm homepage and bugs.url metadata fields to package.json