ci: use cosmwasm-check v1.3.x for consistency with wasmvm version (#534)

Co-authored-by: Christian Gorenflo <[email protected]>

.github/workflows/basic.yaml

@@ -59,8 +59,18 @@ jobs:
           profile: minimal
           toolchain: 1.78.0
           target: wasm32-unknown-unknown
+          default: true
           override: true
 
+      - name: Install cosmwasm-check compatible toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: 1.75.0
+          target: wasm32-unknown-unknown
+          default: false
+          override: false
+
       - name: Cache build artifacts
         id: cache
         uses: useblacksmith/[email protected]
@@ -79,11 +89,14 @@ jobs:
             (cd $C && cargo build --release --lib --target wasm32-unknown-unknown --locked)
           done
 
+      # cosmwasm-check v1.3.x is used to check for compatibility with wasmvm v1.3.x used by Axelar
+      # Older rust toolchain is required to install cosmwasm-check v1.3.x
       - name: Install cosmwasm-check
         uses: actions-rs/cargo@v1
         with:
           command: install
-          args: --version 1.5.5 --locked cosmwasm-check
+          toolchain: 1.75.0
+          args: --version 1.3.4 --locked cosmwasm-check
 
       - name: Check wasm contracts
         run: cosmwasm-check ./target/wasm32-unknown-unknown/release/*.wasm