Update build scripts

Author: allanbrondum

.github/workflows/ci.yaml

@@ -35,6 +35,7 @@ jobs:
         uses: actions/checkout@v3
       - name: Format
         run: |
+          rustup component add rustfmt
           cargo fmt -- --color=always --check
 
   "lint_clippy_binaries":

cargo-concordium/CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## Unreleased
 
+- Change smart contract target to be `wasm32v1-none` (was `wasm32-unknown-unknown` before)
 - Support specifying a profile using the `--profile` flag for both builds
   and tests. Default is `release` as previously.