RFR: 8357880: Code formatting typo in Cipher.getMaxAllowedParameterSpec

[Peyang]

Fix JavaDoc typos in `Cipher` class: correct `{code ...}` to `{@code ...}` in the constructor and `getMaxAllowedParameterSpec()`

-------------

Commit messages:
 - 8357880: Fix typos in Javadoc for Cipher class

Changes: https://git.openjdk.org/jdk/pull/28145/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=28145&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8357880
  Stats: 3 lines in 1 file changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/28145.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28145/head:pull/28145

PR: https://git.openjdk.org/jdk/pull/28145