chore(bolt): upgrade rust to 1.77.2 (#768)

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## Changes

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infra/default-builds/dockerfiles/test-mm-lobby-echo/Dockerfile

@@ -1,4 +1,4 @@
-FROM clux/muslrust:1.75.0 AS build
+FROM clux/muslrust:1.77.2 AS build
 RUN cargo new --bin /app
 WORKDIR /app
 COPY Cargo.toml ./

lib/bolt/core/src/dep/cargo/cli.rs

@@ -146,7 +146,7 @@ pub async fn build<'a, T: AsRef<str>>(ctx: &ProjectContext, opts: BuildOpts<'a,
 						r#"
 						# syntax=docker/dockerfile:1.2
 
-						FROM rust:1.72-slim
+						FROM rust:1.77.2-slim
 
 						RUN apt-get update && apt-get install -y protobuf-compiler pkg-config libssl-dev g++
 

lib/job-runner/Dockerfile

@@ -1,4 +1,4 @@
-FROM clux/muslrust:1.73.0
+FROM clux/muslrust:1.77.2
 
 WORKDIR /app
 COPY Cargo.toml Cargo.lock .