update svg_fmt to 0.4.3

[problame]

Audited

diff -r -u ~/.cargo/registry/src/index.crates.io-6f17d22bba15001f/svg_fmt-0.4.{2,3}

fixes #7763

[github-actions]

3829 tests run: 3719 passed, 0 failed, 110 skipped (full report)

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Flaky tests (3)

Postgres 16

• test_scrubber_physical_gc[4]: release-arm64
• test_subscriber_restart: debug-x86-64

Postgres 14

• test_timeline_archive[4]: release-arm64

Code coverage* (full report)

• functions: 31.9% (7390 of 23138 functions)
• lines: 50.3% (59656 of 118607 lines)

* collected from Rust tests only

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_{The comment gets automatically updated with the latest test results
22ae452 at 2024-09-05T15:37:41.112Z :recycle:}