Update support link for Tableau connector

[Yury-Fridlyand]

Description

It was requested that the support link for Tableau connector to be updated from a GitHub link to OpenSearch.

Issues Resolved

Check List

• New functionality includes testing.
  • All tests pass, including unit test, integration test and doctest
• New functionality has been documented.
  • New functionality has javadoc added
  • New functionality has user manual doc added
• Commits are signed per the DCO using --signoff

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[codecov-commenter]

Codecov Report

Merging #643 (d3ae8aa) into main (d81ef73) will decrease coverage by 31.87%.
The diff coverage is n/a.

@@              Coverage Diff              @@
##               main     #643       +/-   ##
=============================================
- Coverage     94.63%   62.76%   -31.88%     
=============================================
  Files           279       10      -269     
  Lines          7517      658     -6859     
  Branches        556      118      -438     
=============================================
- Hits           7114      413     -6701     
+ Misses          349      192      -157     
+ Partials         54       53        -1     

Flag	Coverage Δ
query-workbench	62.76% <ø> (ø)
sql-engine	?

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Impacted Files	Coverage Δ
...search/sql/expression/datetime/IntervalClause.java
.../org/opensearch/sql/sql/antlr/SQLSyntaxParser.java
...nsearch/sql/storage/bindingtuple/BindingTuple.java
...pensearch/sql/planner/physical/RemoveOperator.java
...ch/sql/expression/aggregation/CountAggregator.java
...sql/expression/datetime/DateTimeFormatterUtil.java
...ch/sql/opensearch/client/OpenSearchRestClient.java
...a/org/opensearch/sql/utils/MLCommonsConstants.java
...earch/storage/script/filter/lucene/RangeQuery.java
.../org/opensearch/sql/ppl/antlr/PPLSyntaxParser.java
... and 259 more

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[penghuo]

Thanks for the change!