RFR: JDK-8279954 - java/lang/StringBuffer(StringBuilder)/HugeCapacity.java intermittently fails

[Jim Laskey]

Tests were fatally failing (windows) on Github actions. Pumping up the memory requirements will hopefully alleviate.

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Commit messages:
 - Bump up memory requirements.

Changes: https://git.openjdk.java.net/jdk/pull/7086/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=7086&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8279954
  Stats: 5 lines in 2 files changed: 0 ins; 0 del; 5 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7086.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7086/head:pull/7086

PR: https://git.openjdk.java.net/jdk/pull/7086