Add config file support for high spec flag (#4438)

Signed-off-by: Fabio Di Fabio <fabio.difabio@consensys.net>
Co-authored-by: Fabio Di Fabio <fabio.difabio@consensys.net>

CHANGELOG.md

@@ -6,7 +6,7 @@
 
 ### Bug Fixes
 - Remove records that track transactions by sender when they are empty to same memory in the transaction pool [#4415](https://github.com/hyperledger/besu/pull/4415)
-
+- Add Toml configuration file support for _--Xplugin-rocksdb-high-spec-enabled_ flag
 ## 22.7.3
 
 ### Additions and Improvements

plugins/rocksdb/src/main/java/org/hyperledger/besu/plugin/services/storage/rocksdb/configuration/RocksDBCLIOptions.java

@@ -70,8 +70,7 @@ public class RocksDBCLIOptions {
       hidden = true,
       paramLabel = "<BOOLEAN>",
       description =
-          "Use this flag to boost Besu performance if you have a 16 GiB RAM hardware or more (default: ${DEFAULT-VALUE})",
-      arity = "0")
+          "Use this flag to boost Besu performance if you have a 16 GiB RAM hardware or more (default: ${DEFAULT-VALUE})")
   boolean isHighSpec;
 
   private RocksDBCLIOptions() {}