Docs: set neutral version for the docs (#154)

Author: maximthomas

openig-doc/src/main/asciidoc/gateway-guide/chap-extending.adoc

@@ -12,13 +12,13 @@
   information: "Portions copyright [year] [name of copyright owner]".
 
   Copyright 2017 ForgeRock AS.
-  Portions Copyright 2024-2025 3A Systems LLC.
+  Portions Copyright 2024-2026 3A Systems LLC.
 ////
 
 :figure-caption!:
 :example-caption!:
 :table-caption!:
-:openig-version: 5.3.1
+:openig-version: x.y.z
 
 
 

openig-doc/src/main/asciidoc/gateway-guide/chap-password-capture-replay-tutorial.adoc

@@ -12,13 +12,13 @@
   information: "Portions copyright [year] [name of copyright owner]".
 
   Copyright 2017 ForgeRock AS.
-  Portions Copyright 2024-2025 3A Systems LLC.
+  Portions Copyright 2024-2026 3A Systems LLC.
 ////
 
 :figure-caption!:
 :example-caption!:
 :table-caption!:
-:openig-version: 5.3.1
+:openig-version: x.y.z
 
 
 [#chap-password-capture-replay-tutorial]

openig-doc/src/main/asciidoc/gateway-guide/chap-quickstart.adoc

@@ -12,13 +12,13 @@
   information: "Portions copyright [year] [name of copyright owner]".
 
   Copyright 2017 ForgeRock AS.
-  Portions Copyright 2024-2025 3A Systems LLC.
+  Portions Copyright 2024-2026 3A Systems LLC.
 ////
 
 :figure-caption!:
 :example-caption!:
 :table-caption!:
-:openig-version: 5.3.1
+:openig-version: x.y.z
 
 
 [#chap-quickstart]

openig-doc/src/main/asciidoc/gateway-guide/chap-uma.adoc

@@ -12,13 +12,13 @@
   information: "Portions copyright [year] [name of copyright owner]".
 
   Copyright 2017 ForgeRock AS.
-  Portions Copyright 2024-2025 3A Systems LLC.
+  Portions Copyright 2024-2026 3A Systems LLC.
 ////
 
 :figure-caption!:
 :example-caption!:
 :table-caption!:
-:openig-version: 5.3.1
+:openig-version: x.y.z
 
 
 [#chap-uma]