chore: bump chromium to 140.0.7339.240 (38-x-y) (#48486)

* chore: bump chromium in DEPS to 140.0.7339.240

* 6978158: [m140] siso: Roll out v1.4.8

https://chromium-review.googlesource.com/c/chromium/src/+/6978158

---------

Co-authored-by: electron-roller[bot] <84116207+electron-roller[bot]@users.noreply.github.com>
Co-authored-by: John Kleinschmidt <jkleinsc@electronjs.org>

.github/actions/fix-sync/action.yml

@@ -109,7 +109,7 @@ runs:
         deps-file: src/DEPS
         installation-dir: src/third_party/siso/cipd
         target-platform: ${{ inputs.target-platform }}
-        package: infra/build/siso/${platform}
+        package: build/siso/${platform}
     - name: Fixup angle git
       if: ${{ inputs.target-platform != 'linux' }}
       shell: bash

DEPS

@@ -2,7 +2,7 @@ gclient_gn_args_from = 'src'
 
 vars = {
   'chromium_version':
-    '140.0.7339.230',
+    '140.0.7339.240',
   'node_version':
     'v22.19.0',
   'nan_version':