Merge pull request #20684 from Homebrew/update-report-desc

cmd/update-report: fix formula description display

Library/Homebrew/cmd/update-report.rb

@@ -974,7 +974,11 @@ class ReporterHub
       # Skip non-homebrew/core formulae for security.
       return if formula.include?("/")
 
+      begin
         Formula[formula].desc&.presence
+      rescue FormulaUnavailableError
+        nil
+      end
     else
       all_formula_json.find { |f| f["name"] == formula }
                       &.fetch("desc", nil)
@@ -988,7 +992,11 @@ class ReporterHub
       # Skip non-homebrew/cask formulae for security.
       return if cask.include?("/")
 
+      begin
         Cask::CaskLoader.load(cask).desc&.presence
+      rescue Cask::CaskError
+        nil
+      end
     else
       all_cask_json.find { |f| f["token"] == cask }
                    &.fetch("desc", nil)