Bump SpeedCurve plugin

Author: csswizardry

_layouts/default.html

@@ -71,4 +71,4 @@
     }
   </script>
 
-  <script src=/js/obs.speedcurve.js?v=0007 type=module></script>
+  <script src=/js/obs.speedcurve.js?v=0008 type=module></script>

js/obs.speedcurve.js

@@ -128,7 +128,7 @@
     Number.isFinite(encodedBodySize) &&
     encodedBodySize > 0
   ) {
-    const compressionDelta = 1 - encodedBodySize / decodedBodySize;
+    const compressionDelta = Math.round((1 - encodedBodySize / decodedBodySize) * 100) / 100;
     if (Number.isFinite(compressionDelta)) {
       lux.addData('compressionDelta', compressionDelta);
     }