Update Bazel version to 7.7.0.

This change updates the Bazel version used in TensorFlow, JAX, and XLA projects from 7.4.1 to 7.7.0 in `.bazelversion` files and build scripts.

PiperOrigin-RevId: 826075658

.bazelversion

@@ -1,2 +1,2 @@
-7.4.1
+7.7.0
 # NOTE: Update Bazel version in tensorflow/tools/ci_build/release/common.sh.oss

tensorflow/tools/ci_build/install/install_bazel.sh

@@ -14,7 +14,7 @@
 # limitations under the License.
 # ==============================================================================
 
-BAZEL_VERSION="7.4.1"
+BAZEL_VERSION="7.7.0"
 
 set +e
 local_bazel_ver=$(bazel version 2>&1 | grep -i label | awk '{print $3}')

tensorflow/tools/ci_build/release/common.sh

@@ -17,7 +17,7 @@
 
 # Keeps Bazel versions of the build scripts.
 # LINT.IfChange
-LATEST_BAZEL_VERSION=7.4.1
+LATEST_BAZEL_VERSION=7.7.0
 # LINT.ThenChange(
 #   //tf_keras/google/kokoro/pip/build_and_upload_pip_package.sh,
 #   //tensorflow/opensource_only/.bazelversion,

third_party/xla/.bazelversion

@@ -1 +1 @@
-7.4.1
+7.7.0