Fix reference in the 4.6.0 release notes

This points to the 4.6.0 mainfest for installation, not RC1.

Update custom configuration docs to clearly specify creation case

This was handled in the tutorial, but not in the "Advanced Topics"
section.

Issue: CrunchyData#2222

Update perms on deployer working directory

The working directory for pgo-deployer (/tmp/.pgo) is now created at build time
instead of install time. When building, the directory is created with root:root
as user:group meaning the installer does not have permission to create the
required subdirectories. This change recursively updates the user and group on
/tmp/.pgo so that the installer can make changes.

Bump v4.6.0-beta.2

Amend container compaction list

The pg_basebackup restore container was compacted into crunchy-postgres

Bump v4.4.2

Bump v4.4.2

Ensure compilation of Postgres Operator

The backpatch described in bee1ef5 failed to remove one
particular block, which caused a compilation error.

Ensure compilation of Postgres Operator

The backpatch described in bee1ef5 failed to remove one
particular block, which caused a compilation error.

Bump to v4.5.1