adding @lantiga as code-owner (#16394)

Author: Borda

.github/CODEOWNERS

@@ -5,7 +5,7 @@
 # the repo. Unless a later match takes precedence,
 # @global-owner1 and @global-owner2 will be requested for
 # review when someone opens a pull request.
-* @williamfalcon @borda @tchaton @awaelchli
+* @lantiga @borda @tchaton @awaelchli
 
 # CI/CD and configs
 /.actions/      @borda @carmocca @akihironitta
@@ -15,16 +15,16 @@
 *.yml           @borda @carmocca @akihironitta
 
 # Docs
-/docs/                                      @edenlightning @tchaton @borda @awaelchli @RobertLaurella
-/.github/*.md                               @edenlightning @williamfalcon @borda
+/docs/                                      @edenlightning @lantiga @borda @awaelchli @RobertLaurella
+/.github/*.md                               @edenlightning @williamfalcon @lantiga @borda
 /.github/ISSUE_TEMPLATE/                    @edenlightning @borda @tchaton @awaelchli
 /docs/source-pytorch/conf.py                @borda @awaelchli @carmocca
-/docs/source-pytorch/index.rst              @williamfalcon
+/docs/source-pytorch/index.rst              @williamfalcon @lantiga
 /docs/source-pytorch/levels                 @williamfalcon @RobertLaurella
 /docs/source-pytorch/expertise_levels       @williamfalcon @RobertLaurella
 /docs/source-app/                           @williamfalcon @RobertLaurella @tchaton @awaelchli
 /docs/source-app/conf.py                    @borda @awaelchli @carmocca
-/docs/source-app/index.rst                  @williamfalcon
+/docs/source-app/index.rst                  @williamfalcon @lantiga
 /docs/source-app/expertise_levels           @williamfalcon @RobertLaurella
 
 # PyTorch Lightning
@@ -49,10 +49,10 @@
 /examples/app_*                             @tchaton @lantiga @awaelchli @hhsecond @ethanwharris
 
 /.github/CODEOWNERS                  @williamfalcon
-/SECURITY.md                         @williamfalcon
-/README.md                           @williamfalcon @edenlightning @borda
+/SECURITY.md                         @williamfalcon @lantiga
+/README.md                           @williamfalcon @lantiga @edenlightning @borda
 /setup.py                            @williamfalcon @borda @carmocca
 /src/pytorch_lightning/__about__.py  @williamfalcon @borda @carmocca
-/src/lightning_app/__about__.py      @williamfalcon @borda
+/src/lightning_app/__about__.py      @williamfalcon @lantiga @borda
 /src/lightning_fabric/__about__.py   @williamfalcon @borda @awaelchli
 /src/*/__setup__.py                  @borda @carmocca