Fix github actions

Author: chipshort

.github/workflows/contract.yml

@@ -33,7 +33,7 @@ jobs:
       - name: Install Rust
         uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: 1.74.0
+          toolchain: 1.81.0
           targets: wasm32-unknown-unknown
       - name: Build hackatom wasm
         run: cargo wasm --locked

.github/workflows/workspace.yml

@@ -18,7 +18,7 @@ jobs:
       - name: Install Rust
         uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: 1.74.0
+          toolchain: 1.81.0
           targets: wasm32-unknown-unknown
           components: clippy, rustfmt
       - name: "Cache build artifacts"
@@ -35,7 +35,7 @@ jobs:
       - name: Install Rust
         uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: 1.74.0
+          toolchain: 1.81.0
           components: rustfmt
       - name: "Cache build artifacts"
         uses: Swatinem/rust-cache@v2