Fix mis-alignment of table and enforce checks on AsciiDoc during build

Closes #22518

docs/guides/pom.xml

@@ -100,6 +100,11 @@
                         <sections>guides</sections>
                         <attribute-missing>warn</attribute-missing>
                     </attributes>
+                    <logHandler>
+                        <failIf>
+                            <severity>ERROR</severity>
+                        </failIf>
+                    </logHandler>
                 </configuration>
                 <executions>
                     <execution>

docs/guides/server/logging.adoc

@@ -104,7 +104,7 @@ The format string supports the symbols in the following table:
 |%t++{id}++|Thread ID|Render the thread ID.
 |%z{<zone name>}|Timezone|Set the time zone of log output to <zone name>.
 |%L|Line number|Render the line number of the log message.
-|====
+|===
 
 === Setting the logging format
 To set the logging format for a logged line, perform these steps: