fix: increase element-web task memory_mb from 2048 to 8192

The default Harbor memory limit (2GB) was too low for the Jest test
suite, causing the verifier to be OOM-killed on every baseline attempt.
With 8GB the task completes successfully (score 1.0).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: sjarmak

benchmarks/csb_sdlc_fix/element-web-roomheaderbuttons-can-crash-fix-001/task.toml

@@ -22,6 +22,7 @@ description = "SWE-bench Pro test verification with partial credit"
 
 [environment]
 build_timeout_sec = 900.0
+memory_mb = 8192
 
 [environment.setup_scripts]
 mcp_config = """#!/bin/bash