Add TTL to Badger sample config

[yurishkuro]

Keep getting this question so why not include it in the sample config

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.26%. Comparing base (ed05d61) to head (a33a13b).
Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #7319   +/-   ##
=======================================
  Coverage   96.26%   96.26%           
=======================================
  Files         377      377           
  Lines       22899    22899           
=======================================
  Hits        22043    22043           
  Misses        647      647           
  Partials      209      209           

Flag	Coverage Δ
badger_v1	9.17% <ø> (ø)
badger_v2	1.75% <ø> (ø)
cassandra-4.x-v1-manual	11.91% <ø> (ø)
cassandra-4.x-v2-auto	1.74% <ø> (ø)
cassandra-4.x-v2-manual	1.74% <ø> (ø)
cassandra-5.x-v1-manual	11.91% <ø> (ø)
cassandra-5.x-v2-auto	1.74% <ø> (ø)
cassandra-5.x-v2-manual	1.74% <ø> (ø)
elasticsearch-6.x-v1	16.77% <ø> (ø)
elasticsearch-7.x-v1	16.81% <ø> (ø)
elasticsearch-8.x-v1	16.97% <ø> (ø)
elasticsearch-8.x-v2	1.75% <ø> (-0.10%)	⬇️
grpc_v1	10.42% <ø> (ø)
grpc_v2	1.75% <ø> (ø)
kafka-3.x-v1	9.34% <ø> (ø)
kafka-3.x-v2	1.75% <ø> (ø)
memory_v2	1.75% <ø> (ø)
opensearch-1.x-v1	16.86% <ø> (ø)
opensearch-2.x-v1	16.86% <ø> (ø)
opensearch-2.x-v2	1.75% <ø> (ø)
query	1.75% <ø> (ø)
tailsampling-processor	0.48% <ø> (ø)
unittests	95.17% <ø> (ø)

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[jkowall]

All good, thanks!