Makefile directive nit

Co-Authored-By: refcell <abigger87@gmail.com>

.circleci/config.yml

@@ -1232,7 +1232,7 @@ jobs:
           working_directory: op-service/rethdb-reader
       - run:
           name: Generate testdata db
-          command: cargo +nightly test
+          command: cargo test
           working_directory: op-service/rethdb-reader
       - run:
           name: Build dylib

op-service/rethdb-reader/Makefile

 .PHONY: testdata
-tetstdata:
+testdata:
 	mkdir -p testdata
 	@echo "Fetching block RLP and receipts for block #18,663,292 from ethereum mainnet"
 	cast rpc debug_getRawBlock 0x11CC77C | jq -r | xxd -r -p > testdata/block.rlp