[improve][build] Set correct project.build.outputTimestamp

[tisonkun]

This closes #17754.

Motivation

See #17754 (comment).

Also, this corrects the generated NOTICE year range.

Modifications

• Set project.build.outputTimestamp to maven.build.timestamp
• Upgrade plugin for reproducible builds, spotted by mvn artifact:check-buildplan

Documentation

• doc
• doc-required
• doc-not-needed
• doc-complete

Matching PR in forked repository

PR in forked repository: tisonkun#21

[tisonkun]

/pulsarbot run-failure-checks

[tisonkun]

After a discussion with @michaeljmarshall, we agree on continuing #17754 :)

[michaeljmarshall]

@tisonkun - I'm sorry, I misread your initial PR. Your solution is better than mine. I think we should reopen this and use it.

[codecov-commenter]

Codecov Report

Merging #18820 (dc12312) into master (b36e012) will increase coverage by 0.73%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master   #18820      +/-   ##
============================================
+ Coverage     47.74%   48.47%   +0.73%     
- Complexity    10623    11385     +762     
============================================
  Files           703      763      +60     
  Lines         68828    73643    +4815     
  Branches       7381     7924     +543     
============================================
+ Hits          32861    35702    +2841     
- Misses        32307    34092    +1785     
- Partials       3660     3849     +189     

Flag	Coverage Δ
unittests	48.47% <ø> (+0.73%)	⬆️

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

Impacted Files	Coverage Δ
...pache/pulsar/broker/tools/GenerateDocsCommand.java	0.00% <0.00%> (-77.28%)	⬇️
.../apache/pulsar/utils/CmdGenerateDocumentation.java	0.00% <0.00%> (-76.93%)	⬇️
...ava/org/apache/pulsar/broker/tools/BrokerTool.java	0.00% <0.00%> (-71.43%)	⬇️
...ulsar/utils/ConcurrentBitmapSortedLongPairSet.java	59.25% <0.00%> (-31.49%)	⬇️
...ava/org/apache/pulsar/utils/StatsOutputStream.java	70.90% <0.00%> (-29.10%)	⬇️
...pache/pulsar/utils/auth/tokens/TokensCliUtils.java	0.00% <0.00%> (-26.39%)	⬇️
.../apache/pulsar/broker/tools/LoadReportCommand.java	0.00% <0.00%> (-18.61%)	⬇️
...g/apache/bookkeeper/mledger/util/StatsBuckets.java	43.75% <0.00%> (-16.67%)	⬇️
...ar/broker/transaction/util/LogIndexLagBackoff.java	57.14% <0.00%> (-14.29%)	⬇️
...ookkeeper/mledger/impl/ManagedLedgerMBeanImpl.java	53.17% <0.00%> (-9.53%)	⬇️
... and 168 more

[tisonkun]

@michaeljmarshall Thanks for your review!

Merging...