[Backport 1.3] Update org.springframework:spring-core to 5.3.20

[opensearch-trigger-bot]

Backport 4c9e403 from #1850

[codecov-commenter]

Codecov Report

Merging #1871 (3fd34e4) into 1.3 (e7fa52e) will increase coverage by 0.05%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##                1.3    #1871      +/-   ##
============================================
+ Coverage     64.64%   64.70%   +0.05%     
- Complexity     3219     3222       +3     
============================================
  Files           247      247              
  Lines         17363    17363              
  Branches       3086     3086              
============================================
+ Hits          11224    11234      +10     
+ Misses         4590     4583       -7     
+ Partials       1549     1546       -3     

Impacted Files	Coverage Δ
...earch/security/ssl/util/SSLConnectionTestUtil.java	95.45% <0.00%> (+2.27%)	⬆️
...nsearch/security/dlic/rest/api/AuditApiAction.java	68.08% <0.00%> (+4.25%)	⬆️
...urity/ssl/transport/SecuritySSLNettyTransport.java	73.40% <0.00%> (+4.25%)	⬆️
...ecurity/configuration/StaticResourceException.java	25.00% <0.00%> (+25.00%)	⬆️

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[peternied]

I need to make sure this will properly install in OpenSearch 1.3.3+ before merging

[peternied]

Following the process from plugin-install this looks like its working correctly

curl -k https://admin:admin@localhost:9200 
{
  "name" : "smoketestnode",
  "cluster_name" : "opensearch",
  "cluster_uuid" : "pxH5B-paTpmAHfgRzjHUsQ",
  "version" : {
    "distribution" : "opensearch",
    "number" : "1.3.3",
    "build_type" : "tar",
    "build_hash" : "6d63fc707f6010c5980ec5cb51324856caf1f03d",
    "build_date" : "2022-06-06T18:22:57.556003Z",
    "build_snapshot" : false,
    "lucene_version" : "8.10.1",
    "minimum_wire_compatibility_version" : "6.8.0",
    "minimum_index_compatibility_version" : "6.0.0-beta1"
  },
  "tagline" : "The OpenSearch Project: https://opensearch.org/"
}