Update dependency com_google_protobuf to v26

Author: renovate[bot]

WORKSPACE

@@ -42,9 +42,9 @@ http_archive(
 
 http_archive(
     name = "com_google_protobuf",
-    sha256 = "d19643d265b978383352b3143f04c0641eea75a75235c111cc01a1350173180e",
-    strip_prefix = "protobuf-25.3",
-    url = "https://github.com/protocolbuffers/protobuf/archive/refs/tags/v25.3.tar.gz",
+    sha256 = "e32100a8013870d24ffc37dad6781a61e5d0c99501bcb04d39c340a1c44a8e63",
+    strip_prefix = "protobuf-26.0",
+    url = "https://github.com/protocolbuffers/protobuf/archive/refs/tags/v26.0.tar.gz",
 )
 
 http_archive(