Add miner_setGasLimit (#23175)

* Add miner_setGasLimit

Format copied from miner_setGasPrice

* Update docs/_rpc/ns-miner.md

Co-authored-by: Marius van der Wijden <m.vanderwijden@live.de>

* Update docs/_rpc/ns-miner.md

Co-authored-by: Tim Beiko <t.beiko23@gmail.com>

Co-authored-by: Marius van der Wijden <m.vanderwijden@live.de>

docs/_rpc/ns-miner.md

@@ -70,3 +70,13 @@ Sets the etherbase, where mining rewards will go.
 | Go      | `miner.SetEtherbase(common.Address) bool`                   |
 | Console | `miner.setEtherbase(address)`                               |
 | RPC     | `{"method": "miner_setEtherbase", "params": [address]}`     |
+
+### miner_setGasLimit
+
+Sets the gas limit the miner will target when mining. Note: on networks where EIP-1559 is activated, this should be set to twice what you want the gas target (i.e. the effective gas used on average per block) to be. 
+
+| Client  | Method invocation                                           |
+|:--------|-------------------------------------------------------------|
+| Go      | `miner.SetGasLimit(number *rpc.HexNumber) bool`             |
+| Console | `miner.SetGasLimit(number)`                                 |
+| RPC     | `{"method": "miner_setGasLimit", "params": [number]}`       |