fix(ai): Add 'includeSafetyAttributes' to Predict request payloads

[dlarocque]

Add 'includeSafetyAttributes' to Predict request payloads, and set it to true.
This is identical to how we send 'includeRaiReason'.

Fixes b/438467377 (internal)

[changeset-bot]

🦋 Changeset detected

Latest commit: ab77e26

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

Name	Type
@firebase/ai	Patch
firebase	Patch

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[google-oss-bot]

Size Report ¹

Affected Products

• @firebase/ai

  Type	Base (2058432)	Merge (5d10941)	Diff
  browser	45.8 kB	45.9 kB	+29 B (+0.1%)
  main	48.9 kB	48.9 kB	+29 B (+0.1%)
  module	45.8 kB	45.9 kB	+29 B (+0.1%)

• firebase

  Type	Base (2058432)	Merge (5d10941)	Diff
  firebase-ai.js	35.8 kB	35.8 kB	+27 B (+0.1%)

Test Logs

• Base (2058432): https://github.com/firebase/firebase-js-sdk/actions/runs/17051281928
• Merge (5d10941): https://github.com/firebase/firebase-js-sdk/actions/runs/17103887996

1. https://storage.googleapis.com/firebase-sdk-metric-reports/y0jM3CU0hQ.html

[google-oss-bot]

Size Analysis Report ¹

Affected Products

• @firebase/ai

  • ImagenModel

    Size

    Type	Base (2058432)	Merge (5d10941)	Diff
    size	8.99 kB	9.02 kB	+29 B (+0.3%)
    size-with-ext-deps	26.6 kB	26.7 kB	+29 B (+0.1%)

  • getImagenModel

    Size

    Type	Base (2058432)	Merge (5d10941)	Diff
    size	9.15 kB	9.18 kB	+29 B (+0.3%)
    size-with-ext-deps	26.8 kB	26.8 kB	+29 B (+0.1%)

Test Logs

• Base (2058432): https://github.com/firebase/firebase-js-sdk/actions/runs/17051281928
• Merge (5d10941): https://github.com/firebase/firebase-js-sdk/actions/runs/17103887996

1. https://storage.googleapis.com/firebase-sdk-metric-reports/fg7BRoXFV6.html