chore: set msrv to 1.81 (#113)

Author: onbjerg

.github/workflows/lint.yml

@@ -20,8 +20,7 @@ jobs:
       - uses: Swatinem/rust-cache@v2
         with:
           cache-on-failure: true
-      - run:
-          cargo clippy --bin alphanet --workspace --features "asm-keccak jemalloc jemalloc-prof min-error-logs min-warn-logs min-info-logs min-debug-logs min-trace-logs"
+      - run: cargo clippy --bin alphanet --workspace --features "asm-keccak jemalloc jemalloc-prof min-error-logs min-warn-logs min-info-logs min-debug-logs min-trace-logs"
         env:
           RUSTFLAGS: -D warnings
 
@@ -59,7 +58,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: "1.80" # MSRV
+          toolchain: "1.81" # MSRV
       - uses: Swatinem/rust-cache@v2
         with:
           cache-on-failure: true

Cargo.toml

@@ -11,7 +11,7 @@ resolver = "2"
 [workspace.package]
 version = "0.0.0"
 edition = "2021"
-rust-version = "1.80"
+rust-version = "1.81"
 authors = []
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/paradigmxyz/alphanet"