rename rocksdb_scanner using lowercase

Author: dkijania

src/app/rocksdb-scanner/dune

@@ -1,7 +1,7 @@
 (executable
- (package rocksdb-scanner)
+ (package rocksdb_scanner)
  (name rocksdb_scanner)
- (public_name mina-rocksdb-scanner)
+ (public_name mina_rocksdb_scanner)
  (modes native)
  (libraries
   async

src/dune-project

@@ -160,7 +160,7 @@
 (package (name random_oracle))
 (package (name replayer))
 (package (name rocksdb))
-(package (name rocksdb-scanner))
+(package (name rocksdb_scanner))
 (package (name rosetta_coding))
 (package (name rosetta_lib))
 (package (name rosetta_models))