Shorten platform requirement IDs: DotNet8/9/10 → Net8/9/10, NetStandard20 → NetStd20

Co-authored-by: Malcolmnixon <1863707+Malcolmnixon@users.noreply.github.com>

Author: Copilot

requirements.yaml

@@ -279,7 +279,7 @@ sections:
 
       - title: Platform Requirements
         requirements:
-          - id: SpdxModel-Plt-DotNet8
+          - id: SpdxModel-Plt-Net8
             title: The library shall support .NET 8 runtime.
             tags:
               - platform
@@ -291,7 +291,7 @@ sections:
               - net8.0@Spdx2JsonDeserializer_Deserialize_ValidSpdx22JsonReturnsExpectedDocument
               - net8.0@Spdx2JsonSerializer_SerializeDocument_CorrectResults
 
-          - id: SpdxModel-Plt-DotNet9
+          - id: SpdxModel-Plt-Net9
             title: The library shall support .NET 9 runtime.
             tags:
               - platform
@@ -303,7 +303,7 @@ sections:
               - net9.0@Spdx2JsonDeserializer_Deserialize_ValidSpdx22JsonReturnsExpectedDocument
               - net9.0@Spdx2JsonSerializer_SerializeDocument_CorrectResults
 
-          - id: SpdxModel-Plt-DotNet10
+          - id: SpdxModel-Plt-Net10
             title: The library shall support .NET 10 runtime.
             tags:
               - platform
@@ -315,7 +315,7 @@ sections:
               - net10.0@Spdx2JsonDeserializer_Deserialize_ValidSpdx22JsonReturnsExpectedDocument
               - net10.0@Spdx2JsonSerializer_SerializeDocument_CorrectResults
 
-          - id: SpdxModel-Plt-NetStandard20
+          - id: SpdxModel-Plt-NetStd20
             title: The library shall support the .NET Standard 2.0 target framework.
             tags:
               - platform