add missing $_chromiumver

.SRCINFO

@@ -59,7 +59,7 @@ pkgbase = electron25-xdg
 	options = !lto
 	source = git+https://github.com/electron/electron.git#tag=v25.6.0
 	source = git+https://chromium.googlesource.com/chromium/tools/depot_tools.git#branch=main
-	source = chromium-mirror::git+https://github.com/chromium/chromium.git#tag=
+	source = chromium-mirror::git+https://github.com/chromium/chromium.git#tag=114.0.5735.134
 	source = electron-launcher.sh
 	source = electron.desktop
 	source = default_app-icon.patch

PKGBUILD

@@ -4,7 +4,7 @@
 # Remember to handle https://bugs.archlinux.org/task/74324 on major upgrades
 _use_suffix=1
 pkgver=25.6.0
-_chromiumver=
+_chromiumver=114.0.5735.134
 # shellcheck disable=SC2034
 pkgrel=1