Add support for RESTORE ABSTTL

[dengliming]

Resolves #1634

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[codecov]

Codecov Report

Merging #1640 (2f81453) into main (76e3bec) will increase coverage by 0.04%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##               main    #1640      +/-   ##
============================================
+ Coverage     78.42%   78.47%   +0.04%     
- Complexity     6519     6525       +6     
============================================
  Files           486      486              
  Lines         22035    22040       +5     
  Branches       2411     2412       +1     
============================================
+ Hits          17281    17295      +14     
+ Misses         3641     3636       -5     
+ Partials       1113     1109       -4     

Impacted Files	Coverage Δ	Complexity Δ
...main/java/io/lettuce/core/RedisCommandBuilder.java	95.47% <100.00%> (+<0.01%)	513.00 <0.00> (+1.00)
src/main/java/io/lettuce/core/RestoreArgs.java	85.71% <100.00%> (+3.89%)	6.00 <2.00> (+2.00)
.../java/io/lettuce/core/protocol/CommandKeyword.java	100.00% <100.00%> (ø)	3.00 <0.00> (ø)
.../io/lettuce/core/protocol/ReconnectionHandler.java	75.67% <0.00%> (-4.06%)	21.00% <0.00%> (-1.00%)
...java/io/lettuce/core/protocol/DefaultEndpoint.java	70.06% <0.00%> (+0.46%)	99.00% <0.00%> (ø%)
.../io/lettuce/core/dynamic/ReactiveTypeAdapters.java	87.39% <0.00%> (+0.86%)	1.00% <0.00%> (ø%)
.../java/io/lettuce/core/protocol/CommandHandler.java	75.63% <0.00%> (+2.03%)	114.00% <0.00%> (+4.00%)

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