docs(scalers): Add documentation for an additional configuration that… (

#1305)

* chore: add missing space in the Activation parameter explanation (#1299)

Signed-off-by: Zbynek Roubalik <zroubalik@gmail.com>
Signed-off-by: Arun Yogesh <6723526+ArunYogesh@users.noreply.github.com>

* update arangodb.md (#1300)

Signed-off-by: Adarsh-verma-14 <t_adarsh.verma@india.nec.com>
Signed-off-by: Arun Yogesh <6723526+ArunYogesh@users.noreply.github.com>

* fix: Add missing docs for redis-stream merged feature (#1304)

Signed-off-by: Jorge Turrado <jorge_turrado@hotmail.es>
Signed-off-by: Arun Yogesh <6723526+ArunYogesh@users.noreply.github.com>

* docs(scalers): Add documentation for an additional configuration that is being exposed (#5474 - kedacore)

Signed-off-by: Arun Yogesh <6723526+ArunYogesh@users.noreply.github.com>

* Renamed serviceName to kerberosServiceName for clarity

Signed-off-by: Arun Yogesh <6723526+ArunYogesh@users.noreply.github.com>

---------

Signed-off-by: Zbynek Roubalik <zroubalik@gmail.com>
Signed-off-by: Arun Yogesh <6723526+ArunYogesh@users.noreply.github.com>
Signed-off-by: Adarsh-verma-14 <t_adarsh.verma@india.nec.com>
Signed-off-by: Jorge Turrado <jorge_turrado@hotmail.es>
Co-authored-by: Zbynek Roubalik <zroubalik@gmail.com>
Co-authored-by: Adarsh Verma <113962919+Adarsh-verma-14@users.noreply.github.com>
Co-authored-by: Jorge Turrado Ferrero <Jorge_turrado@hotmail.es>

content/docs/2.14/scalers/apache-kafka.md

@@ -94,6 +94,7 @@ partition will be scaled to zero. See the [discussion](https://github.com/kedaco
 - `keytab` - Kerberos keytab.  Either `password` or `keytab` is required in case of `gssapi`.  (Optional)
 - `realm` - Kerberos realm.  (Optional unless sasl mode is `gssapi`)
 - `kerberosConfig` - Kerberos configuration file. (Optional unless sasl mode is `gssapi`)
+- `kerberosServiceName` - Kerberos service name. (Optional takes default value of `kafka` if not provided)
 - `oauthTokenEndpointUri` - The OAuth Access Token URI used for oauthbearer token requests. (Optional unless sasl mode set to oauthbearer)
 - `scopes` - A comma separated lists of OAuth scopes used in the oauthbearer token requests. (Optional)
 - `oauthExtensions` - A comma separated lists of key value pairs in the format key=value OAuth extensions used in the oauthbearer token. (Optional)