[shardformer] support interleaved pipeline parallel for Bert finetune example

[ppt0011]

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#4833

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[github-actions]

The code coverage for the changed files is 94%.

Click me to view the complete report

Name                                                    Stmts   Miss  Cover
---------------------------------------------------------------------------
colossalai/booster/plugin/hybrid_parallel_plugin.py       225     18    92%
colossalai/pipeline/schedule/interleaved_pp.py            188     17    91%
colossalai/pipeline/stage_manager.py                       55      0   100%
colossalai/shardformer/policies/base_policy.py             95     13    86%
colossalai/shardformer/policies/bert.py                   274      7    97%
colossalai/shardformer/shard/shard_config.py               42      3    93%
tests/test_pipeline/test_schedule/test_interleaved.py      99      1    99%
---------------------------------------------------------------------------
TOTAL                                                     978     59    94%

[github-actions]

The code coverage for the changed files is 94%.

Click me to view the complete report

Name                                                    Stmts   Miss  Cover
---------------------------------------------------------------------------
colossalai/booster/plugin/hybrid_parallel_plugin.py       223     18    92%
colossalai/pipeline/schedule/interleaved_pp.py            187     17    91%
colossalai/pipeline/stage_manager.py                       60      1    98%
colossalai/shardformer/policies/base_policy.py             95     13    86%
colossalai/shardformer/policies/bert.py                   274      7    97%
colossalai/shardformer/shard/shard_config.py               42      3    93%
tests/test_pipeline/test_schedule/test_interleaved.py      99      1    99%
---------------------------------------------------------------------------
TOTAL                                                     980     60    94%

[github-actions]

The code coverage for the changed files is 94%.

Click me to view the complete report

Name                                                    Stmts   Miss  Cover
---------------------------------------------------------------------------
colossalai/booster/plugin/hybrid_parallel_plugin.py       223     18    92%
colossalai/pipeline/schedule/interleaved_pp.py            187     17    91%
colossalai/pipeline/stage_manager.py                       60      1    98%
colossalai/shardformer/policies/base_policy.py             95     13    86%
colossalai/shardformer/policies/bert.py                   274      7    97%
colossalai/shardformer/shard/shard_config.py               42      3    93%
tests/test_pipeline/test_schedule/test_interleaved.py      99      1    99%
---------------------------------------------------------------------------
TOTAL                                                     980     60    94%