Wrong cast in buffer allocation (fixes #1367)

[dmandalidis]

No description provided.

[codecov]

Codecov Report

Merging #1368 into main will increase coverage by 0.15%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##               main    #1368      +/-   ##
============================================
+ Coverage     80.05%   80.21%   +0.15%     
- Complexity     6107     6130      +23     
============================================
  Files           435      438       +3     
  Lines         20249    20291      +42     
  Branches       2268     2269       +1     
============================================
+ Hits          16211    16276      +65     
+ Misses         2977     2965      -12     
+ Partials       1061     1050      -11     

Impacted Files	Coverage Δ	Complexity Δ
...c/main/java/io/lettuce/core/codec/StringCodec.java	87.50% <100.00%> (+0.40%)	20.00 <2.00> (+2.00)
.../io/lettuce/core/cluster/ClusterClientOptions.java	97.91% <0.00%> (-2.09%)	16.00% <0.00%> (ø%)
src/main/java/io/lettuce/core/ClientOptions.java	97.43% <0.00%> (-1.69%)	22.00% <0.00%> (ø%)
.../io/lettuce/core/dynamic/ReactiveTypeAdapters.java	87.39% <0.00%> (-0.44%)	1.00% <0.00%> (ø%)
...a/io/lettuce/core/pubsub/PubSubCommandHandler.java	86.60% <0.00%> (-0.43%)	39.00% <0.00%> (ø%)
.../lettuce/core/resource/DefaultClientResources.java	92.04% <0.00%> (ø)	35.00% <0.00%> (ø%)
...ce/core/cluster/ClusterTopologyRefreshOptions.java	93.90% <0.00%> (ø)	14.00% <0.00%> (ø%)
...io/lettuce/core/protocol/DecodeBufferPolicies.java	100.00% <0.00%> (ø)	4.00% <0.00%> (?%)
...a/io/lettuce/core/protocol/DecodeBufferPolicy.java	0.00% <0.00%> (ø)	0.00% <0.00%> (?%)
...lettuce/core/protocol/RatioDecodeBufferPolicy.java	92.85% <0.00%> (ø)	6.00% <0.00%> (?%)
... and 10 more

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[mp911de]

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