Update documentation to 0.27.0

This change is made according to the process: https://github.com/bazelbuild/continuous-integration/blob/master/docs/release-playbook.md#push-a-release

RELNOTES: None.
PiperOrigin-RevId: 253581018
diff --git a/scripts/docs/doc_versions.bzl b/scripts/docs/doc_versions.bzl
index 39328e3..5490d1b 100644
--- a/scripts/docs/doc_versions.bzl
+++ b/scripts/docs/doc_versions.bzl
@@ -23,6 +23,10 @@
 
 DOC_VERSIONS = [
     {
+        "version": "0.27.0",
+        "sha256": "97e2633fefee389daade775da43907aa68699b32212f4e48cb095abe18aa7e65",
+    },
+    {
         "version": "0.26.0",
         "sha256": "3907dfc6fb27d246e67877e553e8951fac239bb49f2dec7e06b6b09cb0b98b8d",
     },