upgrade fastjson to 1.2.67

[qixiaobo]

https://github.com/alibaba/fastjson/releases/tag/1.2.67

https://security.tencent.com/ti/update_detail/lSFmGiR1zjBZV6o4XNObXhGEXhcKt8CW

[codecov-io]

Codecov Report

Merging #5915 into 2.6.x will decrease coverage by 0.02%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##              2.6.x    #5915      +/-   ##
============================================
- Coverage     47.47%   47.44%   -0.03%     
+ Complexity     4610     4429     -181     
============================================
  Files           577      566      -11     
  Lines         26509    25214    -1295     
  Branches       4691     4463     -228     
============================================
- Hits          12586    11964     -622     
+ Misses        12007    11406     -601     
+ Partials       1916     1844      -72     

Impacted Files	Coverage Δ	Complexity Δ
...om/alibaba/dubbo/rpc/filter/ActiveLimitFilter.java	77.77% <0.00%> (-11.12%)	5.00% <0.00%> (-2.00%)
...ba/dubbo/remoting/transport/netty/NettyHelper.java	31.25% <0.00%> (-6.25%)	2.00% <0.00%> (ø%)
...a/dubbo/remoting/transport/netty/NettyChannel.java	61.25% <0.00%> (-5.00%)	20.00% <0.00%> (-1.00%)
...bo/remoting/transport/netty/NettyCodecAdapter.java	53.12% <0.00%> (-1.57%)	3.00% <0.00%> (ø%)
...baba/dubbo/remoting/transport/mina/MinaClient.java	56.92% <0.00%> (-1.54%)	8.00% <0.00%> (-1.00%)
.../com/alibaba/dubbo/monitor/dubbo/DubboMonitor.java	89.71% <0.00%> (-0.94%)	15.00% <0.00%> (-1.00%)
...libaba/dubbo/common/json/GenericJSONConverter.java
.../com/alibaba/dubbo/common/json/ParseException.java
...main/java/com/alibaba/dubbo/common/json/Yylex.java
.../main/java/com/alibaba/dubbo/common/json/JSON.java
... and 7 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update bada690...6e643f4. Read the comment docs.

[slievrly]

associate with #5914

[qixiaobo]

This for dubbo-2.6.x