chore(deps): bump rust from 1.93-slim to 1.96-slim in the docker-all group across 1 directory

[dependabot]

Bumps the docker-all group with 1 update in the / directory: rust.

Updates rust from 1.93-slim to 1.96-slim

[github-actions]

PR intake checks found warnings (non-blocking)

Fast safe checks found advisory issues. CI lint/test/build gates still enforce merge quality.

• Missing required PR template sections: ## Summary, ## Validation Evidence (required), ## Security Impact (required), ## Privacy and Data Hygiene (required), ## Rollback Plan (required)
• Incomplete required PR template fields: summary problem, summary why it matters, summary what changed, validation commands, security risk/mitigation, privacy status, rollback plan

Action items:

1. Complete required PR template sections/fields.
2. Remove tabs, trailing whitespace, and merge conflict markers from added lines.
3. Re-run local checks before pushing:
   • ./scripts/ci/rust_quality_gate.sh
   • ./scripts/ci/rust_strict_delta_gate.sh
   • ./scripts/ci/docs_quality_gate.sh

Run logs: https://github.com/RantAI-dev/RantAIClaw/actions/runs/27443021298

Detected blocking line issues (sample):

• none

Detected advisory line issues (sample):

• none

[github-actions]

Thanks for contributing to RantaiClaw.

For faster review, please ensure:

• PR template sections are fully completed
• cargo fmt --all -- --check, cargo clippy --all-targets -- -D warnings, and cargo test are included
• If automation/agents were used heavily, add brief workflow notes
• Scope is focused (prefer one concern per PR)

See CONTRIBUTING.md and docs/pr-workflow.md for full collaboration rules.