Bump msrv to 1.83 for faer support

Author: contagon

.github/workflows/ci.yml

@@ -23,7 +23,7 @@ jobs:
     - name: Setup Rust toolchain and cache
       uses: actions-rust-lang/setup-rust-toolchain@v1
       with:
-        toolchain: 1.81
+        toolchain: 1.83
         components: rustfmt,clippy
 
     - name: cargo fmt
@@ -44,7 +44,7 @@ jobs:
     - name: Setup Rust toolchain and cache
       uses: actions-rust-lang/setup-rust-toolchain@v1
       with:
-        toolchain: 1.81
+        toolchain: 1.83
 
     - name: default
       run: cargo test 

Cargo.toml

@@ -9,7 +9,7 @@ authors = ["Easton Potokar", "Taylor Pool"]
 repository = "https://github.com/rpl-cmu/factrs"
 keywords = ["nonlinear", "optimization", "robotics", "estimation", "SLAM"]
 categories = ["science::robotics", "mathematics"]
-rust-version = "1.81"
+rust-version = "1.83"
 exclude = ["examples/data/*"]
 
 [workspace]

README.md

@@ -1,6 +1,6 @@
 # fact.rs
 
-[![minimum rustc 1.81](https://img.shields.io/badge/rustc-1.81+-red.svg)](https://rust-lang.github.io/rfcs/2495-min-rust-version.html)
+[![minimum rustc 1.83](https://img.shields.io/badge/rustc-1.83+-red.svg)](https://rust-lang.github.io/rfcs/2495-min-rust-version.html)
 [![crate](https://img.shields.io/crates/v/factrs.svg)](https://crates.io/crates/factrs)
 [![doc](https://docs.rs/factrs/badge.svg)](https://docs.rs/factrs)
 [![ci](https://github.com/rpl-cmu/factrs/actions/workflows/ci.yml/badge.svg)](https://github.com/rpl-cmu/factrs/actions/workflows/ci.yml)