Bump the msrv to 1.65.0 to allow for upgrading hashbrown (#113)

Hashbrown has a dependabot alert that requires rustc >= 1.65.0 to resolve; since we're about to make a release anyway, let's just bump our MSRV now.

Author: akern40

.github/workflows/ci.yml

@@ -20,7 +20,7 @@ jobs:
           - stable
           - beta
           - nightly
-          - 1.64.0  # MSRV
+          - 1.65.0  # MSRV
     steps:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@master

.github/workflows/latest-deps.yml

@@ -16,7 +16,7 @@ env:
   CARGO_TERM_COLOR: always
   HOST: x86_64-unknown-linux-gnu
   RUSTFLAGS: "-D warnings"
-  MSRV: 1.64.0
+  MSRV: 1.65.0
 
 jobs:
   latest_deps_stable:

Cargo.toml

@@ -6,7 +6,7 @@ authors = [
     "LukeMathWalker <rust@lpalmieri.com>",
 ]
 edition = "2018"
-rust-version = "1.64.0"
+rust-version = "1.65.0"
 
 license = "MIT/Apache-2.0"
 

README.md

@@ -35,6 +35,7 @@ ndarray-stats = "0.6.0"
 * **0.7.0**
 
   * Breaking changes
+    * Minimum supported Rust version: `1.65.0`
     * Updated to `ndarray:v0.17.1`
 
 * **0.6.0**