chore: Bump Rust toolchain to 1.89.0

Author: Techassi

config/versions.yaml

@@ -1,8 +1,8 @@
 ---
 # IMPORTANT
 # If you change the Rust toolchain version here, make sure to also change
-# docker-images/ubi8-rust-builder/Dockerfile & docker-images/ubi9-rust-builder/Dockerfile
-rust_version: 1.87.0
+# docker-images/ubi9-rust-builder/Dockerfile
+rust_version: 1.89.0
 
 # This nightly version is only used for cargo fmt invocations, because we use nightly-only
 # rustfmt config options in rustfmt.toml. The version should be kept in line with the version