update bench w/o mem leak

Author: krichprollsch

README.md

@@ -237,7 +237,7 @@ max run duration (ms) 451
 
 **Lightpanda browser**
 
-We use Lightpanda commit [1e64513c16acce6c4d58a1b3c32b0e2d3c8201d2](https://github.com/lightpanda-io/browser/commit/1e64513c16acce6c4d58a1b3c32b0e2d3c8201d2).
+We use Lightpanda commit [8d2d089803ae080fbd9cf4c329470badace99b93](https://github.com/lightpanda-io/browser/commit/8d2d089803ae080fbd9cf4c329470badace99b93).
 
 You have to start the Lightpanda Gateway.
 ```console
@@ -259,30 +259,30 @@ $ npm run bench-puppeteer-cdp
 ................................................................................
 ....................
 total runs 100
-total duration (ms) 3456
-avg run duration (ms) 32
-min run duration (ms) 23
-max run duration (ms) 105
+total duration (ms) 3686
+avg run duration (ms) 35
+min run duration (ms) 26
+max run duration (ms) 109
 ```
 
 ![aws.m5 Puppeteer with Lightpanda browser](./img/aws_m5_puppeteer_lightpanda.png)
 
 ```console
         Command being timed: "./lightpanda"
-        User time (seconds): 41.78
-        System time (seconds): 14.15
-        Percent of CPU this job got: 99%
-        Elapsed (wall clock) time (h:mm:ss or m:ss): 0:56.14
+        User time (seconds): 6.75
+        System time (seconds): 2.32
+        Percent of CPU this job got: 98%
+        Elapsed (wall clock) time (h:mm:ss or m:ss): 0:09.20
         Average shared text size (kbytes): 0
         Average unshared data size (kbytes): 0
         Average stack size (kbytes): 0
         Average total size (kbytes): 0
-        Maximum resident set size (kbytes): 100940
+        Maximum resident set size (kbytes): 23692
         Average resident set size (kbytes): 0
         Major (requiring I/O) page faults: 0
-        Minor (reclaiming a frame) page faults: 29326
-        Voluntary context switches: 235
-        Involuntary context switches: 4099
+        Minor (reclaiming a frame) page faults: 63559
+        Voluntary context switches: 196
+        Involuntary context switches: 2812
         Swaps: 0
         File system inputs: 0
         File system outputs: 0