ci: Configure semver check with correct package name (#7)

Author: matheus23

.github/workflows/ci.yaml

@@ -173,7 +173,7 @@ jobs:
         # uses: obi1kenobi/cargo-semver-checks-action@v2
         uses: n0-computer/cargo-semver-checks-action@feat-baseline
         with:
-          package: iroh-gossip
+          package: iroh-node-util
           baseline-rev: ${{ env.HEAD_COMMIT_SHA }}
           use-cache: false