Increase Bazel version requirement to 7.4.1 in root.workspace

PiperOrigin-RevId: 781735741

Author: tensorflower-gardener

.bazelrc

@@ -106,3 +106,7 @@ build --copt=-Wno-macro-redefined # absl vs tsl logging clash
 build --copt=-Wno-sign-compare # int as loop variable
 build --copt=-Wno-deprecated-declarations
 build --copt=-Wno-unused-but-set-variable # due to `ifdefs` in ml_dtypes
+
+# Revert to the legacy WORKSPACE dependency resolution system
+# and disable Bzlmod.
+common --enable_bzlmod=false

WORKSPACE

@@ -38,7 +38,7 @@ tf_serving_workspace()
 
 # Check bazel version requirement, which is stricter than TensorFlow's.
 load("@bazel_skylib//lib:versions.bzl", "versions")
-versions.check("6.5.0")
+versions.check("7.4.1")
 
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")