Re-enable wasm-pack test after upstream issue fix (microsoft#508)

* Initial plan

* Re-enable wasm-pack test and update Node.js to v22

Co-authored-by: anakrish <35780660+anakrish@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: anakrish <35780660+anakrish@users.noreply.github.com>

Author: Copilot

.github/workflows/test-wasm.yml

@@ -24,7 +24,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
-          node-version: 18
+          node-version: 22
 
       - name: Install wasmlpack
         run: cargo install wasm-pack
@@ -35,7 +35,5 @@ jobs:
           cargo fetch
           cargo clippy --all-targets --no-deps -- -Dwarnings
           wasm-pack build --target nodejs --release
-          # Enable when upstream issue is fixed.
-          # https://github.com/microsoft/regorus/issues/371
-          # wasm-pack test --release --node
+          wasm-pack test --release --node
           node test.js