ci: reduce self-hosted rebuilds (#352)

Author: KKould

.github/workflows/ci.yml

@@ -9,6 +9,7 @@ on:
 env:
   CARGO_TERM_COLOR: always
   CARGO_REGISTRIES_MY_REGISTRY_INDEX: https://github.com/rust-lang/crates.io-index
+  CARGO_TARGET_DIR: ${{ github.workspace }}/../target
 
 jobs:
   # 1
@@ -22,12 +23,6 @@ jobs:
           echo "$HOME/.cargo/bin" >> "$GITHUB_PATH"
           echo "$HOME/actions-runner/externals/node20/bin" >> "$GITHUB_PATH"
 
-      - name: Run cargo check
-        run: make cargo-check
-
-      - name: Run cargo build
-        run: make build
-
       - name: Run cargo test
         run: make test
   # 2