Change cursor to pointer for run selection chips

Change-Id: I0f65580a5c69343afdf3b6de8f3f866ffdc753a2
diff --git a/polygerrit-ui/app/elements/checks/gr-checks-runs.ts b/polygerrit-ui/app/elements/checks/gr-checks-runs.ts
index 09a2319..4a34700 100644
--- a/polygerrit-ui/app/elements/checks/gr-checks-runs.ts
+++ b/polygerrit-ui/app/elements/checks/gr-checks-runs.ts
@@ -104,7 +104,7 @@
           border-radius: var(--border-radius);
           padding: var(--spacing-s) var(--spacing-m);
           margin-top: var(--spacing-s);
-          cursor: default;
+          cursor: pointer;
         }
         .name {
           font-weight: var(--font-weight-bold);