[protocol] Add file for OP RPGF Round 4 Funding (#780)

* Updated CHANGELOGS & MD docs

* Publish

 - @0x/contracts-erc20@4.0.14
 - @0x/contracts-test-utils@5.4.60
 - @0x/contracts-treasury@1.4.54
 - @0x/contracts-utils@4.8.52
 - @0x/contracts-zero-ex@0.49.0
 - @0x/contract-addresses@8.13.0
 - @0x/contract-wrappers@13.23.8
 - @0x/protocol-utils@11.24.2

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Co-authored-by: Github Actions <github-actions@github.com>

funding.json

@@ -0,0 +1,5 @@
+{
+  "opRetro": {
+    "projectId": "0x0fad18f37ecec4f4f4ca18e60c353eb11462363e8aa14562b5d96af54108d106"
+  }
+}