undo continue-on-error

- currently  `continue-on-error` is not shown in a usefull way on failiure see <https://github.com/orgs/community/discussions/15452>

.github/workflows/ci.yml

@@ -63,10 +63,8 @@ jobs:
 
       # Build and test.
       - name: Build library
-        continue-on-error: ${{ contains(matrix.target,'wasm32') || contains(matrix.rust-version,'nightly') }} # allow wasm builds to fail tests for now
         run: cargo build --all-targets --target ${{ matrix.target }} ${{ matrix.args }} --verbose
       - name: Test
-        continue-on-error: ${{ contains(matrix.target,'wasm32') || contains(matrix.rust-version,'nightly') }} # allow wasm builds to fail tests for now
         run: cargo test --target ${{ matrix.target }} ${{ matrix.args }} --all
 
       # On stable rust builds, build a binary and publish as a github actions