Promote deprecation warnings to future warnings

[maximlt]

This concerns all the deprecated features listed in the table below. Then we release (2.1.2 or 2.2.0), remove in the next minor release (2.2.0 or 2.3.0), with a couple months between the two releases. The last two deprecations at the end of the table may need more time before removal as they were more recently promoted to ParamDeprecationWarning (in 2.1.0 in March of this year).

Warning	Description
ParamDeprecationWarning since 2.0.0	param.parameterized module / param.parameterized.recursive_repr: no replacement
ParamDeprecationWarning since 2.0.0	Parameter slots / Number.set_hook: no replacement
ParamDeprecationWarning since 2.0.0	param.parameterized module / param.parameterized.overridable_property: no replacement
ParamDeprecationWarning since 2.0.0	Parameter slots / List.class_: use instead item_type
ParamDeprecationWarning since 2.0.0	param.__init__ module / param.produce_value: no replacement
ParamDeprecationWarning since 2.0.0	param.__init__ module / param.as_unicode: no replacement
ParamDeprecationWarning since 2.0.0	param.__init__ module / param.is_ordered_dict: no replacement
ParamDeprecationWarning since 2.0.0	param.__init__ module / param.hashable: no replacement
ParamDeprecationWarning since 2.0.0	param.__init__ module / param.named_objs: no replacement
ParamDeprecationWarning since 2.0.0	param.__init__ module / param.abbreviate_paths: no replacement
ParamDeprecationWarning since 2.0.0	param.parameterized module / param.parameterized.batch_watch: use instead batch_call_watchers
ParamDeprecationWarning since 2.0.0	param.parameterized module / param.parameterized.all_equal: no replacement
ParamDeprecationWarning since 2.0.0	param.parameterized module / param.parameterized.add_metaclass: no replacement
ParamDeprecationWarning since 2.0.0, soft-deprecated since 1.12.0	Parameterized .param namespace / .param.print_param_defaults: use instead for k,v in p.param.objects().items(): print(f"{p.__class__.name}.{k}={repr(v.default)}")
ParamDeprecationWarning since 2.0.0, soft-deprecated since 1.12.0	Parameterized .param namespace / .param.set_default: use instead for k,v in p.param.objects().items(): print(f"{p.__class__.name}.{k}={repr(v.default)}
ParamDeprecationWarning since 2.0.0, soft-deprecated since 1.12.0	Parameterized .param namespace / .param._add_parameter: use instead .param.add_parameter
ParamDeprecationWarning since 2.0.0, soft-deprecated since 1.12.0	Parameterized .param namespace / .param.params: use instead .param.values() or .param['param']
ParamDeprecationWarning since 2.0.0, soft-deprecated since 1.12.0	Parameterized .param namespace / .param.set_param: use instead .param.update
ParamDeprecationWarning since 2.0.0, soft-deprecated since 1.12.0	Parameterized .param namespace / .param.get_param_values: use instead .param.values().items() (or .param.values() for the common case of dict(....param.get_param_values()))
ParamDeprecationWarning since 2.0.0, soft-deprecated since 1.12.0	Parameterized .param namespace / .param.params_depended_on: use instead .param.method_dependencies
ParamDeprecationWarning since 2.0.0, soft-deprecated since 1.12.0	Parameterized .param namespace / .param.defaults: use instead {k:v.default for k,v in p.param.objects().items()}
ParamDeprecationWarning since 2.0.0, soft-deprecated since 1.12.0	Parameterized .param namespace / .param.print_param_values: use instead for k,v in p.param.objects().items(): print(f"{p.__class__.name}.{k}={repr(v.default)}")
ParamDeprecationWarning since 2.0.0, soft-deprecated since 1.12.0	Parameterized .param namespace / .param.message: use instead .param.log(param.MESSAGE, ...)
ParamDeprecationWarning since 2.0.0, soft-deprecated since 1.12.0	Parameterized .param namespace / .param.verbose: use instead .param.log(param.VERBOSE, ...)
ParamDeprecationWarning since 2.0.0, soft-deprecated since 1.12.0	Parameterized .param namespace / .param.debug: use instead .param.log(param.DEBUG, ...)
ParamDeprecationWarning since 2.0.0	param.__init__ module / param.normalize_path: no replacement
ParamDeprecationWarning since 2.1.0, ParamPendingDeprecationWarning since 2.0.0	Instantiating most parameters with positional arguments beyond default is deprecated
ParamDeprecationWarning since 2.1.0, ParamPendingDeprecationWarning since 2.0.0	For Selector parameters that accept objects as first positional argument, and ClassSelector parameters that accept class_ as first positional argument, passing any argument by position is deprecated.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 87.24%. Comparing base (71e8e47) to head (d6109d3).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #974   +/-   ##
=======================================
  Coverage   87.24%   87.24%           
=======================================
  Files           9        9           
  Lines        4948     4948           
=======================================
  Hits         4317     4317           
  Misses        631      631           

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