[main] Correct example property syntax for PatternMatch under ScriptPatternSelector. (#3092)

Fixes #3078

(cherry picked from commit 062b945)

Co-authored-by: martin-dorey-hv <[email protected]>
Co-authored-by: Martin Dorey <[email protected]>

Author: 2 people

src/site/antora/modules/ROOT/examples/manual/pattern-layout/script-pattern-selector/log4j2.properties

@@ -30,12 +30,12 @@ if (logEvent.getLoggerName().equals("NoLocation")) {\
 } else {\
   return null;\
 }
-appender.0.layout.patternSelector.patternMatch.0.type = PatternMatch
-appender.0.layout.patternSelector.patternMatch.0.key = NoLocation
-appender.0.layout.patternSelector.patternMatch.0.pattern = [%-5level] %c{1.} %msg%n
-appender.0.layout.patternSelector.patternMatch.1.type = PatternMatch
-appender.0.layout.patternSelector.patternMatch.1.key = Flow
-appender.0.layout.patternSelector.patternMatch.1.pattern = [%-5level] %c{1.} ====== %C{1.}.%M:%L %msg ======%n
+appender.0.layout.patternSelector.0.type = PatternMatch
+appender.0.layout.patternSelector.0.key = NoLocation
+appender.0.layout.patternSelector.0.pattern = [%-5level] %c{1.} %msg%n
+appender.0.layout.patternSelector.1.type = PatternMatch
+appender.0.layout.patternSelector.1.key = Flow
+appender.0.layout.patternSelector.1.pattern = [%-5level] %c{1.} ====== %C{1.}.%M:%L %msg ======%n
 
 rootLogger.level = WARN
 rootLogger.appenderRef.0.ref = CONSOLE