[Backport 2.9] Catching AccessDeniedException for Personalize calls

[opensearch-trigger-bot[bot]]

Backport e8f153d5a7f94fab85f8bab5d3c7aa3d42ad1bf6 from #196

[codecov[bot]]

Codecov Report

Merging #198 (6316599) into 2.9 (c693311) will increase coverage by 0.03%. The diff coverage is 90.00%.

@@             Coverage Diff              @@
##                2.9     #198      +/-   ##
============================================
+ Coverage     83.26%   83.30%   +0.03%     
- Complexity      334      337       +3     
============================================
  Files            43       43              
  Lines          1261     1270       +9     
  Branches        154      155       +1     
============================================
+ Hits           1050     1058       +8     
  Misses          134      134              
- Partials         77       78       +1     

Files Changed	Coverage Δ
...nalizeintelligentranking/utils/ValidationUtil.java	73.68% <66.66%> (-1.32%)	:arrow_down:
...ng/reranker/impl/AmazonPersonalizedRankerImpl.java	96.38% <100.00%> (+0.28%)	:arrow_up: