chore: upgrade rust toolchain and bump release to 0.5.1

Author: soulgarden

.github/workflows/main.yml

@@ -17,7 +17,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Set up Rust
-        uses: dtolnay/rust-toolchain@1.91
+        uses: dtolnay/rust-toolchain@1.93.1
         with:
           components: rustfmt, clippy
 
@@ -33,7 +33,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Set up Rust
-        uses: dtolnay/rust-toolchain@1.91
+        uses: dtolnay/rust-toolchain@1.93.1
 
       - name: Cache cargo dependencies
         uses: actions/cache@v4
@@ -42,7 +42,7 @@ jobs:
             ~/.cargo/registry
             ~/.cargo/git
             target
-          key: ${{ runner.os }}-rust-1.91-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-rust-1.93.1-${{ hashFiles('**/Cargo.lock') }}
 
       - name: Run tests
         run: cargo test -- --test-threads=1