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[store] bump CommitKVStoreCache limit and switch to 2Q from arc (#152)
## Describe your changes and provide context IRRC we had discussions around bumping the limit for the inter-block cache since 1k is pretty little for our volume of TXs per block. Im setting it to 100k to be the same as the BoundedCacheKv store While I was investigating the race condition issue in the LRU cache, I saw that several repos brought up concerns around using ArcCache in their code as it's been patented by IBM (and later sold to Intel) hashicorp/golang-lru#31 hashicorp/golang-lru#73 ipfs/kubo#6590 ipfs/go-ipfs-blockstore#20 Postgres and IPFS replaced it with 2Q, which based on the whitepaper should have the same performance as ARC. ## Testing performed to validate your change Deployed a LT cluster with these changes and saw no impact to consensus and the performance (with LT clients running) is similar ![image](https://user-images.githubusercontent.com/18161326/216499319-be5ae693-242f-453c-8073-414bf5f810bd.png)
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