feat: Add pluralize = True as kwarg to query_object_property

[kdheepak]

This PR adds pluralize = True as a kwarg to db.query_object_property

This allows using this function for extracting data from object_classs that don't conform to common pluralization patterns or singular object_classs, e.g. with this PR the following code will work:

db.query_object_property(
    object_class="batteries",
    prop="Generation",
    timescale="year",
    phase="LT",
    pluralize=False,
)

db.query_object_property(
    object_class="power2x",
    prop="Installed Capacity",
    timescale="year",
    phase="LT",
    pluralize=False
)