Update BUILD_OSS to 5288

Typing quality
* Updated the word dictionary.
* Adjusted the conversion with suffix numbers (e.g. 後に vs あと2).

Windows
* Prelaunch processes from the installer (#845)

Build
* Updated the Protobuf version: v24.2 → v25.0 (#841)
* Updated the Abseil version: 20230125.3 → 20230802.1 (#841)
* Supported to follow updates of external environmental dependencies (#843, #844)
* Removed `third_party/ipa_font` and introduced our own testing font  (#842)
* Android: Fixed the linkage error of Android library build (#840)

PiperOrigin-RevId: 582509744

src/data/version/mozc_version_template.bzl

@@ -32,7 +32,7 @@ MAJOR = 2
 MINOR = 29
 
 # BUILD number used for the OSS version.
-BUILD_OSS = 5268
+BUILD_OSS = 5288
 
 # Number to be increased. This value may be replaced by other tools.
 BUILD = BUILD_OSS