ref(sourcemaps): Reword "no sourcemap ref"

Instead, this message now reads "no sourcemap found," which is hopefully clearer to users.

Fixes #1964

src/utils/sourcemaps.rs

@@ -440,7 +440,7 @@ impl SourceMapProcessor {
                         pieces.push(format!("sourcemap at {}", style(sm_url).cyan()));
                     };
                 } else {
-                    pieces.push("no sourcemap ref".into());
+                    pieces.push("no sourcemap found".into());
                 }
             }
 

tests/integration/_cases/react_native/xcode-upload-source-maps-release_and_dist_from_env.trycmd

@@ -23,7 +23,7 @@ Processing react-native sourcemaps for Sentry upload.
 Source Map Upload Report
   Scripts
     ~/react-native-xcode-bundle.js (sourcemap at react-native-xcode-bundle.map)
-    ~/react-native-xcode-bundle.js.map (no sourcemap ref)
+    ~/react-native-xcode-bundle.js.map (no sourcemap found)
       - warning: could not determine a source map reference (Could not auto-detect referenced sourcemap for ~/react-native-xcode-bundle.js.map)
 
 ```

tests/integration/_cases/sourcemaps/sourcemaps-upload-some-debugids.trycmd

@@ -27,19 +27,19 @@ Source Map Upload Report
   Scripts
     ~/server/app/page.js (sourcemap at page.js.map)
     ~/server/chunks/1.js (sourcemap at 1.js.map)
-    ~/server/chunks/flight-server-css-manifest.js (no sourcemap ref)
+    ~/server/chunks/flight-server-css-manifest.js (no sourcemap found)
       - warning: could not determine a source map reference (Could not auto-detect referenced sourcemap for ~/server/chunks/flight-server-css-manifest.js)
     ~/server/dummy_embedded.js (embedded sourcemap)
     ~/server/edge-runtime-webpack.js (sourcemap at edge-runtime-webpack.js.map, debug id 2297b93d-928d-421e-8910-127c786382dd)
-    ~/server/flight-manifest.js (no sourcemap ref)
+    ~/server/flight-manifest.js (no sourcemap found)
       - warning: could not determine a source map reference (Could not auto-detect referenced sourcemap for ~/server/flight-manifest.js)
     ~/server/pages/_document.js (sourcemap at _document.js.map)
     ~/server/pages/api/hello.js (sourcemap at hello.js.map)
     ~/static/chunks/575-bb7d7e0e6de8d623.js (sourcemap at 575-bb7d7e0e6de8d623.js.map)
-    ~/static/chunks/app/client/layout-ba9c3036fc0dba78.js (no sourcemap ref)
+    ~/static/chunks/app/client/layout-ba9c3036fc0dba78.js (no sourcemap found)
       - warning: could not determine a source map reference (Could not auto-detect referenced sourcemap for ~/static/chunks/app/client/layout-ba9c3036fc0dba78.js)
     ~/static/chunks/app/client/page-d5742c254d9533f8.js (sourcemap at page-d5742c254d9533f8.js.map, debug id 2297b93d-928d-421e-8910-127c786382df)
-    ~/static/chunks/app/head-172ad45600676c06.js (no sourcemap ref)
+    ~/static/chunks/app/head-172ad45600676c06.js (no sourcemap found)
       - warning: could not determine a source map reference (Could not auto-detect referenced sourcemap for ~/static/chunks/app/head-172ad45600676c06.js)
     ~/static/chunks/pages/asdf-05b39167abbe433b.js (sourcemap at asdf-05b39167abbe433b.js.map)
   Source Maps