Add DataFusion parquet range cache

[alexanderbianchi]

Summary

Adds a DataFusion-local parquet byte-range cache on top of the footer metadata cache work in quickwit-oss#6388.

The cache is installed through the Quickwit DataFusion object-store bridge and uses Quickwit's existing in-memory MemorySizedCache machinery. Cache keys are scoped by storage URI to avoid collisions across buckets or authorities.

Also adds an internal note describing the path to a follow-up Foyer-backed block/range cache and when that extra complexity is likely justified.

Validation

• cargo check -p quickwit-serve --features datafusion
• cargo test -p quickwit-datafusion
• cargo test -p quickwit-storage --features testsuite
• cargo check -p quickwit-lambda-server
• git diff --check

[alexanderbianchi]

Closing this fork-only stacked PR. Re-opening upstream against quickwit-oss/quickwit with both commits included.