ci: add workflow_dispatch trigger for manual runs

Lets release job run on workflow_dispatch in addition to tag pushes.

Artifact name falls back to 'manual' when triggered outside a tag context.

.gitea/workflows/ci.yml

@@ -9,6 +9,7 @@ on:
   pull_request:
     branches:
       - main
+  workflow_dispatch:
 
 jobs:
   build:
@@ -86,7 +87,7 @@ jobs:
     needs:
       - build
       - test
-    if: startsWith(gitea.ref, 'refs/tags/v')
+    if: startsWith(gitea.ref, 'refs/tags/v') || github.event_name == 'workflow_dispatch'
     runs-on: windows-latest
     steps:
       - name: Checkout
@@ -119,7 +120,7 @@ jobs:
       - name: Upload release artifacts
         uses: actions/upload-artifact@v4
         with:
-          name: rgb-led-strip-controller-${{ gitea.ref_name }}-win-x64
+          name: rgb-led-strip-controller-${{ gitea.ref_name || 'manual' }}-win-x64
           path: |
             src/RgbLedStripController/bin/Release/net8.0-windows10.0.19041.0/win-x64/publish/RgbLedStripController.exe
             src/RgbLedStripController/bin/Release/net8.0-windows10.0.19041.0/win-x64/publish/RgbLedStripController.pdb