New: Parse pt-BR releases as Brazilian Portuguese (#10554)

* New: Match releases with pt-BR (BPC-47) with Portuguese Brazilian

src/NzbDrone.Core.Test/ParserTests/LanguageParserFixture.cs

@@ -191,6 +191,7 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("Movie.Title.1994.Dublado.1080p.XviD-LOL")]
         [TestCase("Movie.Title.2.2019.1080p.Bluray.Dublado.WWW.TPF.GRATIS")]
         [TestCase("Movie.Title.2014.1080p.Bluray.Brazilian.WWW.TPF.GRATIS")]
+        [TestCase("Movie.Title.2014.1080p.AMZN.WEB-DL.DDP2.0.H.264.pt-BR.ENG-LCD")]
         public void should_parse_language_brazilian_portuguese(string postTitle)
         {
             var result = Parser.Parser.ParseMovieTitle(postTitle, true);

src/NzbDrone.Core/Parser/LanguageParser.cs

@@ -20,7 +20,7 @@ namespace NzbDrone.Core.Parser
                                                                             (?<flemish>flemish)|
                                                                             (?<bulgarian>bgaudio)|
                                                                             (?<romanian>rodubbed)|
-                                                                            (?<brazilian>dublado)|
+                                                                            (?<brazilian>\b(dublado|pt-BR)\b)|
                                                                             (?<greek>greek)|
                                                                             (?<french>\b(?:FR|VO|VF|VFF|VFQ|VFI|VF2|TRUEFRENCH|FRENCH|FRE|FRA)\b)|
                                                                             (?<russian>\b(?:rus|ru)\b)|