chore: bump version to 0.3.15

Author: github-actions[bot]

config/build.yaml

@@ -5,7 +5,7 @@ project:
   name: "Corona Digital CX Standard"
   title: "Digital Commissioning of Building Automation Systems (BAS)"
   author: "Corona Digital CX Working Group"
-  version: "0.3.14"
+  version: "0.3.15"
   date: "October 9, 2025"
   status: "Draft Specification"
   license: "CC BY-SA 4.0"

standard/sections/00-frontmatter/01-document-metadata.md

@@ -1,6 +1,6 @@
 ---
 title: "Digital Commissioning of Building Automation Systems (BAS)"
-version: "0.3.14"
+version: "0.3.15"
 date: "October 9, 2025"
 status: "Draft Specification"
 license: "CC BY-SA 4.0"
@@ -10,7 +10,7 @@ authors:
 
 # Digital Commissioning of Building Automation Systems (BAS)
 
-**Version:** 0.3.14
+**Version:** 0.3.15
 **Date:** October 9, 2025
 **Status:** Draft Specification