Remove escape in pipeline

.github/workflows/dotnet.yml

@@ -33,7 +33,7 @@ jobs:
  $PROJECT_FILE=".\Tilde.Translation\Tilde.Translation.csproj"
  $BUILD_NUMBER="${{github.run_number}}"
  echo "Build number: $BUILD_NUMBER"
- (Get-Content -Path $PROJECT_FILE) -replace "(?<=<Version>)(\d+\.\d+\.\d+\.)(\d+)(?=</Version>)", "`$${1}$BUILD_NUMBER" | Set-Content -Path $PROJECT_FILE
+ (Get-Content -Path $PROJECT_FILE) -replace "(?<=<Version>)(\d+\.\d+\.\d+\.)(\d+)(?=</Version>)", "`${1}$BUILD_NUMBER" | Set-Content -Path $PROJECT_FILE
 
  # TMP output
  cat $PROJECT_FILE