improve iroh-bytes info logging

[Frando]

This is the iroh-bytes part of the INFO level logs for iroh blob get for a collection with 2 blobs:

2024-04-15T23:10:37.426476Z  INFO iroh_bytes::get::db: don't have collection - doing full download
2024-04-15T23:10:37.491056Z  INFO iroh_bytes::store::fs: inserting complete entry for 1671d44bad1068a1e5306970eb10917df8514ab9dfabf458bda0ca8b40b62e42, 96 bytes
2024-04-15T23:10:37.492455Z  INFO iroh_bytes::store::fs: inserting complete entry for 49864f781f520813b53120dc1f5b0dae983eac0d60f05dbc7d4bc91cc2e987c8, 27 bytes
2024-04-15T23:10:37.493226Z  INFO iroh_bytes::store::fs: inserting complete entry for ba5ad5d77f5f526f94195b109eb57db377022508d2b01c30ad90c6454ab33709, 6 bytes
2024-04-15T23:10:37.493847Z  INFO iroh_bytes::store::fs: inserting complete entry for 8e4c7c1b99dbfd50e7a95185fead5ee1448fa904a2fdd778eaf5f2dbfd629a99, 6 bytes
2024-04-15T23:10:37.992949Z  INFO iroh_bytes::store::fs::tables: deleting Sizes for czy5is5ncbukdzjqnfyoweerpx4fcsvz36v7iwf5udfiwqfwfzba
2024-04-15T23:10:37.993319Z  WARN iroh_bytes::store::fs::tables: failed to delete Sizes /tmp/iroh013/blobs/data/1671d44bad1068a1e5306970eb10917df8514ab9dfabf458bda0ca8b40b62e42.sizes4: No such file or directory (os error 2)
2024-04-15T23:10:37.993453Z  INFO iroh_bytes::store::fs::tables: deleting Sizes for jgde66a7kiebhnjredob6wynv2md5lanmdyf3pd5jperzqxjq7ea
2024-04-15T23:10:37.993617Z  WARN iroh_bytes::store::fs::tables: failed to delete Sizes /tmp/iroh013/blobs/data/49864f781f520813b53120dc1f5b0dae983eac0d60f05dbc7d4bc91cc2e987c8.sizes4: No such file or directory (os error 2)
2024-04-15T23:10:37.993724Z  INFO iroh_bytes::store::fs::tables: deleting Sizes for rzghyg4z3p6vbz5jkgc75lk64fci7kieul65o6hk6xznx7lctkmq
2024-04-15T23:10:37.993874Z  WARN iroh_bytes::store::fs::tables: failed to delete Sizes /tmp/iroh013/blobs/data/8e4c7c1b99dbfd50e7a95185fead5ee1448fa904a2fdd778eaf5f2dbfd629a99.sizes4: No such file or directory (os error 2)
2024-04-15T23:10:37.993999Z  INFO iroh_bytes::store::fs::tables: deleting Sizes for xjnnlv37l5jg7fazlmij5nl5wn3qejii2kybymfnsddeksvtg4eq
2024-04-15T23:10:37.994194Z  WARN iroh_bytes::store::fs::tables: failed to delete Sizes /tmp/iroh013/blobs/data/ba5ad5d77f5f526f94195b109eb57db377022508d2b01c30ad90c6454ab33709.sizes4: No such file or directory (os error 2)