Revert compatibility_level back to 1 so we can push to BCR. (#877)

* Revert compatibility_level back to 1 so we can push to BCR.

See https://github.com/bazelbuild/bazel-central-registry/issues/2232
for discussion.

* update version#
diff --git a/MODULE.bazel b/MODULE.bazel
index 6564bf2..50f7590 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -1,7 +1,7 @@
 module(
     name = "rules_pkg",
-    version = "1.0.0",  # Must sync with version.bzl.
-    compatibility_level = 2,
+    version = "1.0.1",  # Must sync with version.bzl.
+    compatibility_level = 1,
     repo_name = "rules_pkg",
 )
 
diff --git a/docs/1.0.0/reference.md b/docs/1.0.1/reference.md
similarity index 100%
rename from docs/1.0.0/reference.md
rename to docs/1.0.1/reference.md
diff --git a/docs/latest.md b/docs/latest.md
index e6eb916..d2fb47f 100755
--- a/docs/latest.md
+++ b/docs/latest.md
@@ -1,4 +1,4 @@
-# rules_pkg - 1.0.0
+# rules_pkg - 1.0.1
 
 <div class="toc">
   <h2>Common Attributes</h2>
diff --git a/version.bzl b/version.bzl
index 18c3f6d..62b7ee1 100644
--- a/version.bzl
+++ b/version.bzl
@@ -13,4 +13,4 @@
 # limitations under the License.
 """The version of rules_pkg."""
 
-version = "1.0.0"
+version = "1.0.1"