ClangTidy warnings for `bugprone-return-const-ref-from-parameter`

[jviotti]

/Users/jviotti/Projects/core/src/core/jsonpointer/jsonpointer.cc:142:12: error: returning a constant reference parameter may cause use-after-free when the parameter is constructed from a temporary [bugprone-return-const-ref-from-parameter,-warnings-as-errors]
  142 |     return document;
      |            ^~~~~~~~

/Users/jviotti/Projects/core/src/core/jsonpointer/jsonpointer.cc:150:12: error: returning a constant reference parameter may cause use-after-free when the parameter is constructed from a temporary [bugprone-return-const-ref-from-parameter,-warnings-as-errors]
  150 |     return document;
      |            ^~~~~~~~