ci(pipeline): update build conditions for GitHub Actions

- Removes conditional checks for `build` environment variable on restore, build, and test steps.
- Simplifies the test-reporter step condition to only check for pull request forks.
- Streamlines the pipeline configuration for clearer execution flow.

Author: winromulus

.github/workflows/pipeline.yaml

@@ -137,20 +137,17 @@ jobs:
         uses: actions/checkout@v4
 
       - name: dotnet restore
-        if: ${{ env.build == 'true' }}
         run: dotnet restore
 
       - name: dotnet build
-        if: ${{ env.build == 'true' }}
         run: dotnet build --no-restore --configuration Release /p:Version=${{env.GitVersion_SemVer}} /p:AssemblyVersion=${{env.GitVersion_AssemblySemFileVer}} /p:NuGetVersion=${{env.GitVersion_SemVer}}
 
       - name: dotnet test
-        if: ${{ env.build == 'true' }}
         run: dotnet test --no-build --configuration Release --verbosity normal
 
       - name: test-reporter
         uses: dorny/test-reporter@v2
-        if: ${{ env.build == 'true' && github.event.pull_request.head.repo.fork == false }}
+        if: ${{ github.event.pull_request.head.repo.fork == false }}
         with:
           name: Test Results
           path: .artifacts/TestResults/*.trx