ci: rename build-nsInnoUnp.yml -> build-ns7zip.yml; update doc refs

Workflow now targets Simone/nsis-plugin-ns7zip. Renamed the file and
the workflow `name:`, and updated all references in active docs
(plans/archived and docs/archived left as frozen history).

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

README.md

@@ -120,7 +120,7 @@ Variante **Windows Server 2022**: `*WinBuild2022.ps1` + VMX `F:\CI\Templates\Win
 │   ├── actions/
 │   │   └── local-ci-build/action.yml  # Composite action riusabile (wrap Invoke-CIJob.ps1)
 │   ├── workflows/
-│   │   ├── build-nsInnoUnp.yml        # Workflow matrix Windows+Linux per nsis-plugin-nsinnounp
+│   │   ├── build-ns7zip.yml        # Workflow matrix Windows+Linux per nsis-plugin-ns7zip
 │   │   └── lint.yml              # PSScriptAnalyzer su push/PR (§5.4)
 │   └── workflow-example.yml      # Template generico adattabile
 │
@@ -215,7 +215,7 @@ python -m ci_orchestrator report job --job-id smoke-001
 # End-to-end orchestrator (replaces Invoke-CIJob.ps1)
 python -m ci_orchestrator job `
     --job-id        smoke-001 `
-    --repo-url      ssh://gitea-ci/Simone/nsis-plugin-nsinnounp.git `
+    --repo-url      ssh://gitea-ci/Simone/nsis-plugin-ns7zip.git `
     --branch        main `
     --template-path F:\CI\Templates\WinBuild2025\WinBuild2025.vmx `
     --build-command "python build_plugin.py --final --dist-dir dist" `
@@ -346,7 +346,7 @@ Vedi [docs/Setup-GiteaSSH.md](docs/Setup-GiteaSSH.md) per configurare l'alias `g
 ```powershell
 & 'N:\Code\Workspace\Local-CI-CD-System\scripts\Invoke-CIJob.ps1' `
   -JobId               'test-win-001' `
-  -RepoUrl             'ssh://gitea-ci/Simone/nsis-plugin-nsinnounp.git' `
+  -RepoUrl             'ssh://gitea-ci/Simone/nsis-plugin-ns7zip.git' `
   -Branch              'main' `
   -TemplatePath        'F:\CI\Templates\WinBuild2025\WinBuild2025.vmx' `
   -Submodules `
@@ -360,7 +360,7 @@ Vedi [docs/Setup-GiteaSSH.md](docs/Setup-GiteaSSH.md) per configurare l'alias `g
 ```powershell
 & 'N:\Code\Workspace\Local-CI-CD-System\scripts\Invoke-CIJob.ps1' `
   -JobId               'test-linux-001' `
-  -RepoUrl             'ssh://gitea-ci/Simone/nsis-plugin-nsinnounp.git' `
+  -RepoUrl             'ssh://gitea-ci/Simone/nsis-plugin-ns7zip.git' `
   -Branch              'main' `
   -TemplatePath        'F:\CI\Templates\LinuxBuild2404\LinuxBuild2404.vmx' `
   -SnapshotName        'BaseClean-Linux' `
@@ -378,8 +378,8 @@ Aggiungi `-SkipArtifact` per job che non producono output (es. lint, test puri).
 
 ## Workflow Gitea
 
-Il file [gitea/workflows/build-nsInnoUnp.yml](gitea/workflows/build-nsInnoUnp.yml) è il workflow
-attivo per `Simone/nsis-plugin-nsinnounp`. Si attiva su push di tag `v*` o manualmente.
+Il file [gitea/workflows/build-ns7zip.yml](gitea/workflows/build-ns7zip.yml) è il workflow
+attivo per `Simone/nsis-plugin-ns7zip`. Si attiva su push di tag `v*` o manualmente.
 Usa una **strategy matrix** `[windows, linux]` che esegue in parallelo su entrambi i runner.
 
 La composite action [gitea/actions/local-ci-build/action.yml](gitea/actions/local-ci-build/action.yml)