Strategy/Scala: make analyzeWithDepTreeJson messages task-agnostic

The context label and error text mentioned dependencyBrowseTreeHTML, but
the routing change can also pick the legacy dependencyBrowseTreeHtml task.
Reword to "dependency tree JSON" so the message is correct in both cases.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Author: zlav

src/Strategy/Scala.hs

@@ -203,13 +203,13 @@ analyzeWithPoms (ScalaProject _ _ closure) = context "Analyzing sbt dependencies
       }
 
 analyzeWithDepTreeJson :: (Has ReadFS sig m, Has Diagnostics sig m) => ScalaProject -> m DependencyResults
-analyzeWithDepTreeJson (ScalaProject _ treeJson closure) = context "Analyzing sbt dependencies using dependencyBrowseTreeHTML" $ do
+analyzeWithDepTreeJson (ScalaProject _ treeJson closure) = context "Analyzing sbt dependencies using dependency tree JSON" $ do
   treeJson' <-
     errCtx MissingFullDependencyPluginCtx $
       errHelp MissingFullDependencyPluginHelp $
         errDoc sbtDepsGraphPluginUrl $
           errDoc scalaFossaDocUrl $
-            fromMaybeText "Could not retrieve output from sbt dependencyBrowseTreeHTML" treeJson
+            fromMaybeText "Could not retrieve dependency tree JSON output from sbt" treeJson
   projectGraph <- TreeJson.analyze treeJson'
   pure $
     DependencyResults