Update devcontainer to latest Ubuntu and Rust version

.devcontainer/Dockerfile

@@ -1,14 +1,16 @@
-FROM mcr.microsoft.com/devcontainers/base:ubuntu-22.04
+FROM mcr.microsoft.com/devcontainers/base:ubuntu-24.04
+
+ARG RUST_VERSION=1.84
 
 # Include lld linker to improve build times either by using environment variable
 # RUSTFLAGS="-C link-arg=-fuse-ld=lld" or with Cargo's configuration file (i.e see .cargo/config.toml).
 RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
-   && apt-get -y install clang lld libsqlite3-dev libmariadb-dev-compat libmariadb-dev libpq-dev pkg-config gh \
+   && apt-get -y install clang lld libsqlite3-dev libmariadb-dev-compat libmariadb-dev libpq-dev pkg-config gh git-delta \
    && apt-get autoremove -y && apt-get clean -y
 
 USER vscode
 
-RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- --default-toolchain 1.79 --no-modify-path -y
+RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- --default-toolchain ${RUST_VERSION} --no-modify-path -y
 
 RUN /home/vscode/.cargo/bin/cargo install cargo-release
 RUN /home/vscode/.cargo/bin/cargo install --locked cargo-outdated