v0.4.20

Changelog

• dc4b091: Add Makefile (#397) (@wayblink)
• 26dcae4: Configurable server port (#380) (@xige-16)
• b049ab1: Fix progress may out of data range (#391) (@wayblink)
• 0d6fd2b: Make it compatible for old milvus without database support (#382) (@wayblink)
• 80cd2b9: Refine Delete API (#376) (@wayblink)
• 1e1fc88: Refine scripts build with version (#392) (@wayblink)
• 8672ef8: Remove useless method in chunkManager interface (#396) (@wayblink)
• cd087e4: Support skipImportDiskQuotaCheck option in restore (#394) (@wayblink)
• df0798a: Update Readme (@wayblink)
• 730ace1: ci: update test env (#388) (@zhuwenxing)
• 9dfc99e: fix: fix simple response possible NPE (#383) (@wayblink)
• 7250521: repair delete case (#400) (@wayblink)