build(deps): bump rust in /app-server (#889)

Bumps rust from 1.86-slim-bullseye to 1.90-slim-bullseye.

---
updated-dependencies:
- dependency-name: rust
  dependency-version: 1.90-slim-bullseye
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: Dinmukhamed Mailibay <[email protected]>
Co-authored-by: Olzhas Nurpeisov <[email protected]>
Co-authored-by: Robert Kim <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: 4 people

app-server/Dockerfile

@@ -1,5 +1,5 @@
 # Build stage with cargo chef for dependency caching
-FROM rust:1.86-slim-bullseye AS chef
+FROM rust:1.90-slim-bullseye AS chef
 WORKDIR /app-server
 
 # Install build dependencies and cargo-chef