fix: add support for Hikari pool metrics [DHIS2-15419]

[netroms]

Summary

• Adds support for collecting metrics from the Hikari DB pool.
• Before this fix, enabling metrics with the property monitoring.dbpool.enabled = on, when also the Hikari pool is enabled with the property db.pool.type = hikari , would cause the server failing to start.

JIRA:

DHIS2-15419

[codecov]

Codecov Report

Merging #15623 (4e3eed1) into master (178839d) will increase coverage by 0.00%.
Report is 10 commits behind head on master.
The diff coverage is 2.08%.

@@            Coverage Diff            @@
##             master   #15623   +/-   ##
=========================================
  Coverage     66.23%   66.23%           
- Complexity    31250    31264   +14     
=========================================
  Files          3485     3487    +2     
  Lines        129791   129811   +20     
  Branches      15145    15146    +1     
=========================================
+ Hits          85965    85980   +15     
- Misses        36741    36748    +7     
+ Partials       7085     7083    -2     

Flag	Coverage Δ
integration	49.80% <2.08%> (+0.01%)	⬆️
integration-h2	32.41% <2.08%> (-0.01%)	⬇️
unit	30.34% <0.00%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
.../monitoring/metrics/jdbc/C3p0MetadataProvider.java	0.00% <ø> (ø)
...isp/dhis/monitoring/metrics/jdbc/PoolMetadata.java	0.00% <ø> (ø)
.../monitoring/metrics/jdbc/AbstractPoolMetadata.java	0.00% <0.00%> (ø)
...ng/metrics/jdbc/CompositePoolMetadataProvider.java	0.00% <0.00%> (ø)
...monitoring/metrics/jdbc/PoolMetadataProviders.java	0.00% <0.00%> (ø)
...onitoring/metrics/DataSourcePoolMetricsConfig.java	16.66% <11.11%> (-7.15%)	⬇️
...onitoring/metrics/jdbc/HikariMetadataProvider.java	0.00% <0.00%> (ø)
...hisp/dhis/monitoring/metrics/jdbc/PoolMetrics.java	0.00% <0.00%> (ø)
...oring/metrics/jdbc/HikariPoolMetadataAccessor.java	0.00% <0.00%> (ø)

... and 21 files with indirect coverage changes

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[sonarqubecloud]

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0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

0.0% Coverage
0.0% Duplication