feat(cells): update_region_user RPC method to support both region_name and cell_name

[lynnagara]

later, we will update callers to pass cell_name

[github-actions]

Backend Test Failures

Failures on 4f3a536 in this run:

tests/sentry/profiles/test_task.py::DeobfuscationViaSymbolicator::test_basic_resolving — log

tests/sentry/profiles/test_task.py:627: in test_basic_resolving
    assert android_profile["profile"]["methods"] == [
E   AssertionError: assert [{'class_name...oolean', ...}] == [{'class_name...oolean', ...}]
E     
E     At index 0 diff: {'class_name': 'org.slf4j.helpers.Util$ClassContextSecurityManager', 'name': 'getClassContext', 'signature': '()', 'source_file': 'Util.java', 'source_line': 67, 'data': {'deobfuscation_status': 'deobfuscated'}} != {'data': {'deobfuscation_status': 'deobfuscated'}, 'name': 'getClassContext', 'class_name': 'org.slf4j.helpers.Util$ClassContextSecurityManager', 'signature': '()', 'source_file': 'Something.java', 'source_line': 67}
E     
E     Full diff:
E       [
E           {
E               'class_name': 'org.slf4j.helpers.Util$ClassContextSecurityManager',
E               'data': {
E                   'deobfuscation_status': 'deobfuscated',
E               },
E               'name': 'getClassContext',
E               'signature': '()',
E     -         'source_file': 'Something.java',
E     ?                         ^^^^ - ^^
E     +         'source_file': 'Util.java',
E     ?                         ^  ^
E               'source_line': 67,
E           },
E           {
E               'class_name': 'org.slf4j.helpers.Util$ClassContextSecurityManager',
E               'data': {
E                   'deobfuscation_status': 'deobfuscated',
E               },
E               'name': 'getExtraClassContext',
E               'signature': '(): boolean',
E     -         'source_file': 'Else.java',
E     ?                         ^ --
E     +         'source_file': 'Util.java',
E     ?                         ^^^
E               'source_line': 69,
E           },
E       ]

tests/sentry/profiles/test_task.py::DeobfuscationViaSymbolicator::test_inline_resolving — log

tests/sentry/profiles/test_task.py:683: in test_inline_resolving
    assert android_profile["profile"]["methods"] == [
E   AssertionError: assert [{'class_name...andler', ...}] == [{'class_name...andler', ...}]
E     
E     At index 0 diff: {'class_name': 'io.sentry.sample.-$$Lambda$r3Avcbztes2hicEObh02jjhQqd4', 'name': 'onClick', 'signature': '()', 'source_file': '-.java', 'source_line': 2, 'data': {'deobfuscation_status': 'deobfuscated'}} != {'class_name': 'io.sentry.sample.-$$Lambda$r3Avcbztes2hicEObh02jjhQqd4', 'data': {'deobfuscation_status': 'deobfuscated'}, 'name': 'onClick', 'signature': '()', 'source_file': None, 'source_line': 2}
E     
E     Full diff:
E       [
E           {
E               'class_name': 'io.sentry.sample.-$$Lambda$r3Avcbztes2hicEObh02jjhQqd4',
E               'data': {
E                   'deobfuscation_status': 'deobfuscated',
E               },
E               'name': 'onClick',
E               'signature': '()',
E     -         'source_file': None,
E     ?                        ^^^^
E     +         'source_file': '-.java',
E     ?                        ^^^^^^^^
E               'source_line': 2,
E           },
E           {
E               'class_name': 'io.sentry.sample.MainActivity',
E               'data': {
E                   'deobfuscation_status': 'deobfuscated',
E               },
E               'inline_frames': [
E                   {
E                       'class_name': 'io.sentry.sample.MainActivity',
E                       'data': {
E                           'deobfuscation_status': 'deobfuscated',
E                       },
E                       'name': 'onClickHandler',
E                       'signature': '()',
E                       'source_file': 'MainActivity.java',
E                       'source_line': 40,
E                   },
E                   {
E                       'class_name': 'io.sentry.sample.MainActivity',
E                       'data': {
E                           'deobfuscation_status': 'deobfuscated',
E                       },
E                       'name': 'foo',
E                       'signature': '()',
E                       'source_file': 'MainActivity.java',
E                       'source_line': 44,
E                   },
E                   {
E                       'class_name': 'io.sentry.sample.MainActivity',
E                       'data': {
... (14 more lines)