Upgrade Khepri to the latest main

The latest changes on Khepri main fix some issues:

* Projections are re-initialized when khepri_machine restarts, even if
  the register_projection commands have been snapshotted. This fixes
  ETS errors and shutdowns that could happen if the rabbit was
  restarted after performing many (4096+) database operations.
* Deleting a subtree in the store by deleting the root of the subtree
  now correctly recursively deletes records out of any projections
  register to watch the deleted nodes. In the rabbit app, this fixes
  some failing cases in the bindings_SUITE and resolves a TODO in
  rabbit_db_binding.

3 files changed, 16 insertions, 8 deletions

diff --git a/MODULE.bazel b/MODULE.bazel
index 801469aed2..6686b0228f 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -242,8 +242,8 @@ erlang_package.hex_package(
 erlang_package.git_package(
     name = "khepri",
     build_file = "@rabbitmq-server//bazel:BUILD.khepri",
-    # sha256 = "7fae3112cea737bc64d5ff51c1b79a7f30f13ed3d11c565d2a6966ea5aa40473",
-    version = "0.6.0",
+    commit = "e8f38b60e28a3e31af2b7dd5248514c508af7d0a",
+    repository = "rabbitmq/khepri",
 )
 
 erlang_package.hex_package(
diff --git a/bazel/BUILD.khepri b/bazel/BUILD.khepri
index 317877ea03..bbc5364a44 100644
--- a/bazel/BUILD.khepri
+++ b/bazel/BUILD.khepri
@@ -82,6 +82,7 @@ erlang_bytecode(
         "include/khepri.hrl",
         "src/khepri_machine.hrl",
         "src/khepri_payload.hrl",
+        "src/khepri_tree.hrl",
     ],
     app_name = "khepri",
     erlc_opts = "//:erlc_opts",
@@ -95,6 +96,7 @@ erlang_bytecode(
         "include/khepri.hrl",
         "src/khepri_machine.hrl",
         "src/khepri_payload.hrl",
+        "src/khepri_tree.hrl",
     ],
     app_name = "khepri",
     erlc_opts = "//:erlc_opts",
@@ -135,6 +137,7 @@ erlang_bytecode(
         "src/khepri_cluster.hrl",
         "src/khepri_machine.hrl",
         "src/khepri_payload.hrl",
+        "src/khepri_tree.hrl",
     ],
     app_name = "khepri",
     erlc_opts = "//:erlc_opts",
@@ -154,6 +157,7 @@ erlang_bytecode(
         "src/khepri_payload.hrl",
         "src/khepri_projection.hrl",
         "src/khepri_ret.hrl",
+        "src/khepri_tree.hrl",
         "src/khepri_tx.hrl",
     ],
     app_name = "khepri",
@@ -195,6 +199,7 @@ erlang_bytecode(
         "src/khepri_machine.hrl",
         "src/khepri_payload.hrl",
         "src/khepri_projection.hrl",
+        "src/khepri_tree.hrl",
     ],
     app_name = "khepri",
     erlc_opts = "//:erlc_opts",
@@ -232,6 +237,7 @@ erlang_bytecode(
         "src/khepri_machine.hrl",
         "src/khepri_payload.hrl",
         "src/khepri_ret.hrl",
+        "src/khepri_tree.hrl",
         "src/khepri_tx.hrl",
     ],
     app_name = "khepri",
@@ -249,6 +255,7 @@ erlang_bytecode(
         "src/khepri_machine.hrl",
         "src/khepri_payload.hrl",
         "src/khepri_ret.hrl",
+        "src/khepri_tree.hrl",
         "src/khepri_tx.hrl",
     ],
     app_name = "khepri",
@@ -330,6 +337,7 @@ filegroup(
         "src/khepri_payload.hrl",
         "src/khepri_projection.hrl",
         "src/khepri_ret.hrl",
+        "src/khepri_tree.hrl",
         "src/khepri_tx.hrl",
     ],
 )
@@ -346,7 +354,10 @@ filegroup(
 
 filegroup(
     name = "licenses",
-    srcs = [],
+    srcs = [
+        "LICENSE-Apache-2.0",
+        "LICENSE-MPL-2.0",
+    ],
 )
 
 filegroup(
diff --git a/deps/rabbit/src/rabbit_db_binding.erl b/deps/rabbit/src/rabbit_db_binding.erl
index b7d737c8b1..36c9a9e22f 100644
--- a/deps/rabbit/src/rabbit_db_binding.erl
+++ b/deps/rabbit/src/rabbit_db_binding.erl
@@ -777,11 +777,8 @@ delete_all_for_exchange_in_khepri(X = #exchange{name = XName}, OnlyDurable, Remo
 delete_for_source_in_khepri(#resource{virtual_host = VHost, name = Name}) ->
     Path = khepri_routes_path() ++ [VHost, Name],
     {ok, Bindings} = khepri_tx:get_many(Path ++ [rabbit_khepri:if_has_data_wildcard()]),
-    %% ok = khepri_tx:delete(Path),
-    maps:fold(fun(P, Set, Acc) ->
-                      %% TODO projections are not updated if we just use the previous
-                      %% delete of the root path. Let's keep it like this for now...
-                      ok = khepri_tx:delete(P),
+    ok = khepri_tx:delete(Path),
+    maps:fold(fun(_P, Set, Acc) ->
                       sets:to_list(Set) ++ Acc
               end, [], Bindings).