Update dependency io_bazel_rules_docker to v0.14.4

This MR contains the following updates:

Package	Type	Update	Change
io_bazel_rules_docker	http_archive	patch	v0.14.3 -> v0.14.4

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Release Notes

bazelbuild/rules_docker

v0.14.4

Compare Source

• Dont write incremental tarball to disk (#​1537)
• Remove unused dep (#​1536)
• Revert to using gflags but use it from a pips package instead of Bazel Tools (#​1535)
• Migrate to use absl from gflags (#​1534)
• Update dependency com_github_google_go_containerregistry to v0.1.1 (#​1532)
• Update node version (#​1531)
• Update dependency io_bazel_rules_go to v0.23.3 (#​1530)
• Update dependency com_github_google_go_containerregistry to v0.1.0 (#​1529)
• Update go dependency & Bazel test image (#​1528)
• Update debs attr doc & other minor fixes (#​1527)
• Populate list of instrumented files for coverage in container_image_ (#​1526)
• Update README for v0.14.3 release (#​1525)

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