fix: use stable PR route for webview links (#75)

The review-comment webview link appended ?run=<run_id>, pinning the
link to one workflow run. The webview resolves the repo/PR's latest
artifact itself, so link the bare /{owner}/{repo}/pull/{pr} route,
which stays valid across runs.

Merging this fix-typed commit also makes release-please cut the release
that finally ships the CodeBoarding 0.13.8 engine pin (it landed on
main as a chore commit after v1.10.2, so it was never released).

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>

Author: ivanmilevtues

scripts/action/build-review-comment.sh

@@ -6,7 +6,9 @@ if [ "$N_CHANGED" = "1" ]; then
   COMPONENT_NOUN="component"
 fi
 RUN_URL="${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}/actions/runs/${GITHUB_RUN_ID}"
-WEBVIEW_URL="https://app.codeboarding.org/${GITHUB_REPOSITORY}/pull/${PR_NUMBER}?run=${GITHUB_RUN_ID}"
+# Stable PR route: the webview resolves the repo/PR's latest artifact itself,
+# so the link stays valid across runs instead of pinning one run id.
+WEBVIEW_URL="https://app.codeboarding.org/${GITHUB_REPOSITORY}/pull/${PR_NUMBER}"
 BODY="${RUNNER_TEMP}/review-comment.md"
 printf '### CodeBoarding review\n\n**Status:** %s changed %s\n' "$N_CHANGED" "$COMPONENT_NOUN" > "$BODY"
 printf '\nSee the full change in [CodeBoarding](%s).\n' "$WEBVIEW_URL" >> "$BODY"