Merge bitcoin/bitcoin#33312: clang-tidy: Disable UndefinedBinaryOperatorResult check in src/ipc

589b65f06c clang-tidy: Disable `UndefinedBinaryOperatorResult` check in `src/ipc` (Hennadii Stepanov)

Pull request description:

  The warnings are false positive and have been fixed upstream. See: https://github.com/capnproto/capnproto/pull/2334.

  This PR:

  1. Disables the `UndefinedBinaryOperatorResult` clang-tidy check for source files generated by the `mpgen` tool.

  2. Is an alternative to the draft https://github.com/bitcoin/bitcoin/pull/33281.

  3. Fixes https://github.com/bitcoin/bitcoin/issues/33256.

ACKs for top commit:
  Sjors:
    ACK 589b65f06c
  fjahr:
    ACK 589b65f06c
  achow101:
    ACK 589b65f06c
  ryanofsky:
    Code review ACK 589b65f06c. Thanks for the fix!

Tree-SHA512: 6d376a82641a5b85d4dd1fa164fdcbd8e15f1262e7d4f582f4d9959031d35852e28ff1b8268336e39ba6779fdd10ecdb986af42407d0545f4217f41d64556272

src/ipc/.clang-tidy.in

@@ -0,0 +1,3 @@
+Checks: '
+-clang-analyzer-core.UndefinedBinaryOperatorResult,
+'

src/ipc/CMakeLists.txt

@@ -21,3 +21,5 @@ target_link_libraries(bitcoin_ipc
     core_interface
     univalue
 )
+
+configure_file(.clang-tidy.in .clang-tidy USE_SOURCE_PERMISSIONS COPYONLY)