chore: release 1.0.0-rc1 (#65)
chore: release 1.0.0-rc1 (#65)

:robot: I have created a release \*beep\* \*boop\*
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## [1.0.0-rc1](https://www.github.com/googleapis/python-resource-manager/compare/v0.30.3...v1.0.0-rc1) (2021-06-14)


### Features

* add v3 ([#62](https://www.github.com/googleapis/python-resource-manager/issues/62)) ([72f69f0](https://www.github.com/googleapis/python-resource-manager/commit/72f69f0f3a2205ef3bb49ca3e3ae670fd103f6cb))


### Bug Fixes

* remove v1beta1 ([72f69f0](https://www.github.com/googleapis/python-resource-manager/commit/72f69f0f3a2205ef3bb49ca3e3ae670fd103f6cb))
* require google-cloud-core >= 1.3.0 ([#43](https://www.github.com/googleapis/python-resource-manager/issues/43)) ([16df2d0](https://www.github.com/googleapis/python-resource-manager/commit/16df2d064b25ac75234cbbd736b16fba53a51f2d))


### Miscellaneous Chores

* release as 1.0.0-rc1 ([#64](https://www.github.com/googleapis/python-resource-manager/issues/64)) ([cce4608](https://www.github.com/googleapis/python-resource-manager/commit/cce46083be8cd73cbe921ee8ac917806507b6084))
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This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).
googleapis/python-resource-manager,googleapis/python-resource-manager