[Backport 2.x] [FEATURE] Broaden SecureSettingsFactory to include http transports (#12907)

[reta]

Backport of #12907 to 2.x

[github-actions]

Compatibility status:

Checks if related components are compatible with change 25f064c

Incompatible components

Incompatible components: [https://github.com/opensearch-project/security.git]

Skipped components

Compatible components

Compatible components: [https://github.com/opensearch-project/custom-codecs.git, https://github.com/opensearch-project/asynchronous-search.git, https://github.com/opensearch-project/observability.git, https://github.com/opensearch-project/reporting.git, https://github.com/opensearch-project/flow-framework.git, https://github.com/opensearch-project/cross-cluster-replication.git, https://github.com/opensearch-project/job-scheduler.git, https://github.com/opensearch-project/common-utils.git, https://github.com/opensearch-project/neural-search.git, https://github.com/opensearch-project/geospatial.git, https://github.com/opensearch-project/k-nn.git, https://github.com/opensearch-project/security-analytics.git, https://github.com/opensearch-project/anomaly-detection.git, https://github.com/opensearch-project/notifications.git, https://github.com/opensearch-project/sql.git, https://github.com/opensearch-project/ml-commons.git, https://github.com/opensearch-project/performance-analyzer-rca.git, https://github.com/opensearch-project/alerting.git, https://github.com/opensearch-project/index-management.git, https://github.com/opensearch-project/performance-analyzer.git]

[github-actions]

✅ Gradle check result for 25f064c: SUCCESS

[codecov]

Codecov Report

Attention: Patch coverage is 90.00000% with 5 lines in your changes are missing coverage. Please review.

Project coverage is 71.07%. Comparing base (0dd892c) to head (25f064c).
Report is 97 commits behind head on 2.x.

Files	Patch %	Lines
...tp/netty4/ssl/SecureNetty4HttpServerTransport.java	88.88%	2 Missing and 1 partial ⚠️
...a/org/opensearch/common/network/NetworkModule.java	94.11%	0 Missing and 1 partial ⚠️
...earch/plugins/SecureTransportSettingsProvider.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##                2.x   #12965      +/-   ##
============================================
- Coverage     71.28%   71.07%   -0.22%     
- Complexity    60145    60325     +180     
============================================
  Files          4957     4987      +30     
  Lines        282799   284501    +1702     
  Branches      41409    41599     +190     
============================================
+ Hits         201591   202195     +604     
- Misses        64189    65195    +1006     
- Partials      17019    17111      +92     

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