Update CI and release hook

.github/workflows/rust.yml

@@ -23,7 +23,9 @@ jobs:
         with:
           globs: "exercises/**/*.md"
       - name: Run cargo fmt
-        run: cargo fmt --all -- --check
+        run: cargo fmt --all --check
+      - name: Run rustfmt on solutions
+        run: rustfmt --check --edition 2021 --color always solutions/**/*.rs
   test:
     runs-on: ${{ matrix.os }}
     strategy:
@@ -33,7 +35,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: swatinem/rust-cache@v2
       - name: Run cargo test
-        run: cargo test
+        run: cargo test --workspace
   dev-check:
     runs-on: ubuntu-latest
     steps:

release-hook.sh

@@ -3,7 +3,12 @@
 # Error out if any command fails
 set -e
 
-cargo run -- dev check
 typos
-cargo outdated -w --exit-code 1
+cargo upgrades
+
+# Similar to CI
+cargo clippy -- --deny warnings
+cargo fmt --all --check
+rustfmt --check --edition 2021 solutions/**/*.rs
 cargo test --workspace --all-targets
+cargo run -- dev check --require-solutions