Replacing the ambiguous `dash` with `hyphen-minus` for more clarity. There are other locations than `ISO_LOCAL_DATE` that have the same description. Those are corrected too.
------------- Commit messages: - 8310182: DateTimeFormatter date formats (ISO_LOCAL_DATE) separated with hyphen, not dash Changes: https://git.openjdk.org/jdk/pull/14620/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=14620&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8310182 Stats: 6 lines in 1 file changed: 0 ins; 0 del; 6 mod Patch: https://git.openjdk.org/jdk/pull/14620.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/14620/head:pull/14620 PR: https://git.openjdk.org/jdk/pull/14620