fix(scripts): make pr-state work on macOS's stock bash and jq 1.6 (#2871)

Co-authored-by: nova28 <17953305+nova28@users.noreply.github.com>
Co-authored-by: Carlos Florencio <carlosmflorencio@gmail.com>

scripts/pr-state

@@ -393,7 +393,7 @@ review_evidence_json() {
         markdown_prose_lines
         | any(
             .
-            | gsub("^[[:space:]]*(?:(?:[-*+]\\s+)|(?:[0-9]+\\.\\s+))?(?:\\*\\*|__|_|\\*)?"; "")
+            | sub("^[[:space:]]*(?:(?:[-*+]\\s+)|(?:[0-9]+\\.\\s+))?(?:\\*\\*|__|_|\\*)?"; "")
             | test("^(?:blocked|changes[ _-]?requested|action required|must fix|required fix|please fix)\\b"; "i")
           );
       def review_eligibility:
@@ -752,7 +752,7 @@ fetch_review_threads_nodes_json() {
             }
           }
         }' \
-      -f owner="$owner" -f repo="$repo" -F pr="$pr_number" "${cursor_args[@]}")"; then
+      -f owner="$owner" -f repo="$repo" -F pr="$pr_number" ${cursor_args[@]+"${cursor_args[@]}"})"; then
       rm -f "$nodes_file"
       return 1
     fi