fix: rust-toolchain

.github/workflows/build.yaml

@@ -45,7 +45,7 @@ jobs:
       - name: Install toolchain
         uses: actions-rs/toolchain@v1
         with:
-          toolchain: "1.70.0"
+          toolchain: stable
           override: true
           default: true
           components: rustfmt
@@ -84,7 +84,7 @@ jobs:
       - name: Install toolchain
         uses: actions-rs/toolchain@v1
         with:
-          toolchain: "1.70.0"
+          toolchain: stable
           override: true
           default: true
           components: rustfmt

.github/workflows/ghcr.yml

@@ -40,7 +40,7 @@ jobs:
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@v1
         with:
-          toolchain: "1.70.0"
+          toolchain: stable
           targets: ${{ matrix.job.target }}
           components: "rustfmt"