chore(deps): update dependency google-cloud-bigtable to v1.4.0

[renovate-bot]

This PR contains the following updates:

Package	Update	Change
google-cloud-bigtable	minor	==1.2.1 -> ==1.4.0

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Release Notes

googleapis/python-bigtable

v1.4.0

Compare Source

Features

• bigtable: Managed Backups wrappers (#​57) (a351734)

v1.3.0

Compare Source

Features

• api_core: support version 3 policy bindings (#​9869) (a9dee32)
• bigtable: add py2 deprecation warnings; standardize use of 'required' in docstrings (via synth) (#​10064) (5460de0)
• Create CODEOWNERS (#​27) (2b63746)
• bigtable: skip system tests failing with emulator (#​18) (399d3d3)
• bigtable: support requested_policy_version for Instance IAM (#​10001) (7e5d963), closes #​3
• update gapic-generator and go microgen, backups generated api (#​55) (c38888d)

Bug Fixes

• localdeps (5d799b2)
• test_utils (43481a9)
• python: change autodoc_default_flags to autodoc_default_options (#​58) (5c1d618)

Documentation

• add note about multiprocessing usage (#​26) (1449589)
• bigtable: clean up (#​32) (9f4068c)
• add samples from bigtable (#​38) (1121f0d), closes #​371 #​383 #​383 #​456 #​456 #​540 #​540 #​542 #​542 #​544 #​544 #​576 #​599 #​599 #​656 #​715 #​715 #​781 #​781 #​887 #​887 #​914 #​914 #​922 #​922 #​962 #​962 #​1004 #​1004 #​1003 #​1005 #​1005 #​1028 #​1055 #​1055 #​1055 #​1057 #​1093 #​1093 #​1093 #​1094 #​1094 #​1121 #​1121 #​1121 #​1156 #​1158 #​1158 #​1158 #​1186 #​1186 #​1186 #​1199 #​1199 #​1199 #​1254 #​1254 #​1254 #​1377 #​1377 #​1377 #​1441 #​1441 #​1441 #​1464 #​1464 #​1464 #​1549 #​1562 #​1555 #​1616 #​1616 #​1665 #​1670 #​1664 #​1674 #​1755 #​1755 #​1755 #​1764 #​1764 #​1770 #​1794 #​1846 #​1846 #​1846 #​1846 #​1846 #​1846 #​1878 #​1890 #​1980 #​1980 #​1980 #​1980 #​1980 #​1980 #​1980 #​2057 #​2057 #​2054 #​2054 #​2018 #​2018 #​2224 #​2201 #​2436 #​2436 #​2436 #​2436 #​2436 #​2436 #​2436 #​2005 #​2005 #​2005 #​2005 #​2005 #​2692 #​2692 #​2692 #​2692 #​2692 #​2692 #​2692 #​2692 #​3066 #​2707 #​3103 #​2806 #​2806 #​2806 #​2806 #​2806 #​2806 #​2806 #​2806 #​3459 #​3494 #​3070 #​3119 #​3738 #​3738 #​3738 #​3739 #​3739 #​3740 #​3783 #​3877
• bigtable: fix incorrect display_name update (#​46) (1ac60be)
• bigtable: remove missing argument from instance declaration (#​47) (c966647), closes #​42

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