Add support for IDLE option in XPENDING

[dengliming]

Resolves #1537

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[codecov]

Codecov Report

Merging #1636 (445b499) into main (76e3bec) will decrease coverage by 0.00%.
The diff coverage is 78.78%.

@@             Coverage Diff              @@
##               main    #1636      +/-   ##
============================================
- Coverage     78.42%   78.42%   -0.01%     
- Complexity     6519     6528       +9     
============================================
  Files           486      487       +1     
  Lines         22035    22068      +33     
  Branches       2411     2415       +4     
============================================
+ Hits          17281    17306      +25     
- Misses         3641     3645       +4     
- Partials       1113     1117       +4     

Impacted Files	Coverage Δ	Complexity Δ
...pi/coroutines/RedisStreamCoroutinesCommandsImpl.kt	3.03% <0.00%> (-0.10%)	1.00 <0.00> (ø)
src/main/java/io/lettuce/core/XPendingArgs.java	76.00% <76.00%> (ø)	6.00 <6.00> (?)
...va/io/lettuce/core/AbstractRedisAsyncCommands.java	96.32% <100.00%> (+<0.01%)	468.00 <1.00> (+1.00)
...io/lettuce/core/AbstractRedisReactiveCommands.java	89.73% <100.00%> (+0.01%)	458.00 <1.00> (+1.00)
...main/java/io/lettuce/core/RedisCommandBuilder.java	95.48% <100.00%> (+0.01%)	513.00 <1.00> (+1.00)
.../io/lettuce/core/protocol/ReconnectionHandler.java	75.67% <0.00%> (-4.06%)	21.00% <0.00%> (-1.00%)
...e/core/masterreplica/SentinelTopologyProvider.java	81.08% <0.00%> (-2.71%)	9.00% <0.00%> (-1.00%)
.../io/lettuce/core/protocol/CommandExpiryWriter.java	75.00% <0.00%> (-1.93%)	16.00% <0.00%> (-1.00%)
.../io/lettuce/core/dynamic/ReactiveTypeAdapters.java	86.52% <0.00%> (ø)	1.00% <0.00%> (ø%)
... and 1 more

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[mp911de]

Thank you for your contribution. That's merged and polished now.