init actions to checkout@v4, create-pr@v6

[jbolda]

Motivation

Update init command with the latest action versions: checkout@v4 and create-pr@v6.

Approach

Search and replace.

[github-actions[bot]]

Package Changes Through de1081bb633a62029a00a75bba28dd95662caacb

There are 9 changes which include covector with minor, @covector/apply with minor, @covector/assemble with minor, @covector/changelog with minor, @covector/files with minor, @covector/command with minor, @covector/toml with minor, @covector/types with minor, action with minor

Planned Package Versions

The following package releases are the planned based on the context of changes in this pull request. | package | current | next | |----|----|----| | covector | 0.11.0 | 0.12.0 | @covector/apply | 0.9.3 | 0.10.0 | @covector/assemble | 0.11.0 | 0.12.0 | @covector/changelog | 0.11.0 | 0.12.0 | @covector/files | 0.7.2 | 0.8.0 | @covector/command | 0.7.1 | 0.8.0 | @covector/toml | 0.1.0 | 0.2.0 | @covector/types | 0.0.0 | 0.1.0 | action | 0.11.0 | 0.12.0 |

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