chore(deps): update rust docker tag to v1.93 (#2045)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| rust | final | minor | `1.91-slim-bookworm` → `1.93-slim-bookworm` |

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Dockerfile

@@ -1,5 +1,5 @@
 # Allow selecting base image at build time
-ARG BASE_IMAGE=rust:1.91-slim-bookworm
+ARG BASE_IMAGE=rust:1.93-slim-bookworm
 FROM ${BASE_IMAGE} AS builder
 
 ARG RUSTUP_TOOLCHAIN