Update j2objc

Closes #8912.

PiperOrigin-RevId: 258544579
diff --git a/WORKSPACE b/WORKSPACE
index 8c7fff1..bd5d12d 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -37,12 +37,12 @@
 
 http_archive(
     name = "bazel_j2objc",
-    # Computed using "shasum -a 256 j2objc-2.0.3.zip"
-    sha256 = "a36bac432d0dbd8c98249e484b2b69dd5720afa4abb58711a3c3def1c0bfa21d",
-    strip_prefix = "j2objc-2.0.3",
+    # Computed using "shasum -a 256 j2objc-2.5.zip"
+    sha256 = "8d3403b5b7db57e347c943d214577f6879e5b175c2b59b7e075c0b6453330e9b",
+    strip_prefix = "j2objc-2.5",
     urls = [
-        "https://miirror.bazel.build/github.com/google/j2objc/releases/download/2.0.3/j2objc-2.0.3.zip",
-        "https://github.com/google/j2objc/releases/download/2.0.3/j2objc-2.0.3.zip",
+        "https://miirror.bazel.build/github.com/google/j2objc/releases/download/2.5/j2objc-2.5.zip",
+        "https://github.com/google/j2objc/releases/download/2.5/j2objc-2.5.zip",
     ],
 )