chore: set 7.x in bazelversion (#2317)
This just upgrades what Bazel version we run by default during
development.
diff --git a/.bazelversion b/.bazelversion
index a3fcc71..35907cd 100644
--- a/.bazelversion
+++ b/.bazelversion
@@ -1 +1 @@
-7.1.0
+7.x
diff --git a/version.bzl b/version.bzl
index 5194f30..61fb81e 100644
--- a/version.bzl
+++ b/version.bzl
@@ -17,7 +17,7 @@
# against.
# This version should be updated together with the version of Bazel
# in .bazelversion.
-BAZEL_VERSION = "7.1.0"
+BAZEL_VERSION = "7.x"
# NOTE: Keep in sync with .bazelci/presubmit.yml
# This is the minimum supported bazel version, that we have some tests for.
