RFR: 8354320: Changes to jpackage.md cause pandoc warning [v2]

[Alexey Semenyuk]

> Escape the dollar sign.

Alexey Semenyuk has updated the pull request incrementally with one additional commit since the last revision:

  Add missing backslash character

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Changes:
  - all: https://git.openjdk.org/jdk/pull/24585/files
  - new: https://git.openjdk.org/jdk/pull/24585/files/6709a723..33364c72

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=24585&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=24585&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/24585.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24585/head:pull/24585

PR: https://git.openjdk.org/jdk/pull/24585