fix: sonar issues

[jeromevdl]

Issue #, if available:

Description of changes:

Fixed a bunch of findings in sonar

Checklist

• Meet tenets criteria
• Update tests
• Update docs
• PR title follows conventional commit semantics

Breaking change checklist

RFC issue #:

• Migration process documented
• Implement warnings (if it can live side by side)

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

[codecov-commenter]

Codecov Report

Patch coverage: 72.22% and project coverage change: +0.29% 🎉

Comparison is base (530968f) 79.65% compared to head (2597c3c) 79.95%.

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Additional details and impacted files

@@             Coverage Diff              @@
##               main    #1313      +/-   ##
============================================
+ Coverage     79.65%   79.95%   +0.29%     
  Complexity      639      639              
============================================
  Files            73       71       -2     
  Lines          2345     2335      -10     
  Branches        253      253              
============================================
- Hits           1868     1867       -1     
+ Misses          397      388       -9     
  Partials         80       80              

Files Changed	Coverage Δ
...lambda/powertools/core/internal/SystemWrapper.java	100.00% <ø> (ø)
...ls/logging/internal/AbstractJacksonLayoutCopy.java	0.00% <ø> (ø)
.../powertools/logging/internal/LambdaJsonLayout.java	0.00% <0.00%> (ø)
...zon/lambda/powertools/parameters/ParamManager.java	79.24% <ø> (+1.46%)	⬆️
...lambda/powertools/utilities/EventDeserializer.java	100.00% <ø> (+0.90%)	⬆️
...oftware/amazon/lambda/powertools/sqs/SqsUtils.java	80.82% <ø> (+1.09%)	⬆️
...bda/powertools/tracing/internal/SystemWrapper.java	100.00% <ø> (+50.00%)	⬆️
...ertools/cloudformation/CloudFormationResponse.java	87.32% <11.11%> (+2.18%)	⬆️
...mpotency/persistence/DynamoDBPersistenceStore.java	90.07% <50.00%> (ø)
...tools/idempotency/internal/IdempotencyHandler.java	66.12% <72.72%> (ø)
... and 6 more

... and 2 files with indirect coverage changes

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[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
1 Code Smell

No Coverage information
0.0% Duplication

[jeromevdl]

It's not finished @kozub ... If you want to do a bit, feel free ;) it's not the most exciting task so I just started. but we certainly don't need to fix everything, we can sort out what is important or not

[kozub]

It's not finished @kozub ... If you want to do a bit, feel free ;) it's not the most exciting task so I just started. but we certainly don't need to fix everything, we can sort out what is important or not

Didn't noticed that it's a draft. I should have a coffee before reviewing it ;-)
will try to help a bit with it 

[kozub]

Looks good so far ;-)