[CIBUILD] Update min bazel version to 0.26.1. (#301)

Author: fuhailin

.bazelversion

@@ -1 +1 @@
-0.24.1
+0.26.1

configure.py

@@ -49,7 +49,7 @@
 _TF_WORKSPACE_ROOT = ''
 _TF_BAZELRC = ''
 _TF_CURRENT_BAZEL_VERSION = None
-_TF_MIN_BAZEL_VERSION = '0.24.1'
+_TF_MIN_BAZEL_VERSION = '0.26.1'
 _TF_MAX_BAZEL_VERSION = '0.26.1'
 
 NCCL_LIB_PATHS = [

third_party/toolchains/preconfig/generate/generate.bzl

@@ -70,7 +70,7 @@ def _tensorflow_rbe_config(name, compiler, python_version, os, rocm_version = No
     docker_toolchain_autoconfig(
         name = name,
         base = base,
-        bazel_version = "0.24.1",
+        bazel_version = "0.26.1",
         build_bazel_src = build_bazel_src,
         config_repos = config_repos,
         env = env,