workflows/autolabel: label deprecated licenses

Closes #59423.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
Signed-off-by: chenrui <chenrui333@gmail.com>
Signed-off-by: BrewTestBot <1589480+BrewTestBot@users.noreply.github.com>

.github/workflows/autolabel.yml

@@ -43,6 +43,10 @@ jobs:
                     "label": "missing license",
                     "path": "Formula/.+",
                     "missing_content": "\n  license .+\n"
+                }, {
+                    "label": "deprecated license",
+                    "path": "Formula/.+",
+                    "content": "license .*\"(GPL|LGPL|AGPL|GFDL)-\d\.\d\+?\".*"
                 }, {
                     "label": "go",
                     "path": "Formula/.+",