Bump 1.86 to 1.88

Author: jefag

Dockerfile

@@ -1,5 +1,5 @@
 # Use Rust slim image
-FROM rust:1.86-slim
+FROM rust:1.88-slim
 
 # Install all dependencies (build + runtime + gcloud CLI)
 RUN apt-get update && apt-get install -y \

rust-toolchain.toml

@@ -1,4 +1,4 @@
 [toolchain]
-channel = "1.86.0"
+channel = "1.88.0"
 components = ["rustfmt", "clippy"]
 targets = ["wasm32-unknown-unknown"]