add ignore item in deny.toml.

[EthanYuan]

What problem does this PR solve?

Problem Summary:

CI will fail due to a new security issue RUSTSEC-2024-0363 with sqlx.

What is changed and how it works?

What's Changed:

The security issue can be added to the ignore list after evaluation.

# https://rustsec.org/advisories/RUSTSEC-2024-0363
# https://github.com/launchbadge/sqlx/issues/3440
# The queries for the rich indexer receive input parameters via RPC, and the data size is far less than 4GB, so this issue can be temporarily ignored while waiting for sqlx to be fixed

Check List

Tests

• Unit test
• Integration test
• No code ci-runs-only: [ quick_checks,linters ]

Release note

None: Exclude this PR from the release note.