Apply suggestions from code review

Co-authored-by: Óscar San José <oscarsj@github.com>

Author: oscarsj

docs/codeql/codeql-overview/codeql-changelog/codeql-cli-2.19.1.rst

@@ -129,7 +129,7 @@ Java/Kotlin
 """""""""""
 
 *   The Java extractor and QL libraries now support Java 23.
-*   Kotlin versions up to 2.1.0*x* are now supported.
+*   Kotlin versions up to 2.1.0\ *x* are now supported.
 
 Python
 """"""

docs/codeql/codeql-overview/codeql-changelog/codeql-cli-2.21.3.rst

@@ -144,7 +144,7 @@ New Features
 Java/Kotlin
 """""""""""
 
-*   Kotlin versions up to 2.2.0*x* are now supported. Support for the Kotlin 1.5.x series is dropped (so the minimum Kotlin version is now 1.6.0).
+*   Kotlin versions up to 2.2.0\ *x* are now supported. Support for the Kotlin 1.5.x series is dropped (so the minimum Kotlin version is now 1.6.0).
 
 Swift
 """""

docs/codeql/codeql-overview/codeql-changelog/codeql-cli-2.22.3.rst

@@ -98,4 +98,4 @@ C/C++
 Java/Kotlin
 """""""""""
 
-*   Kotlin versions up to 2.2.2*x* are now supported.
+*   Kotlin versions up to 2.2.2\ *x* are now supported.