[feat] goosebenchv2 additions for eval post-processing (#2619)

Co-authored-by: Alice Hau <ahau@squareup.com>

Cargo.lock

@@ -1974,6 +1974,12 @@ version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "77c90badedccf4105eca100756a0b1289e191f6fcbdadd3cee1d2f614f97da8f"
 
+[[package]]
+name = "dotenvy"
+version = "0.15.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1aaf95b3e5c8f23aa320147307562d361db0ae0d51242340f558153b4eb2439b"
+
 [[package]]
 name = "downcast"
 version = "0.11.0"
@@ -2578,6 +2584,7 @@ dependencies = [
  "async-trait",
  "chrono",
  "ctor",
+ "dotenvy",
  "goose",
  "include_dir",
  "mcp-core",