Update user-facing strings from "Software" to "Astro Private Cloud"

[ryanahamilton]

Description

Updates public-facing strings of "Software" to "Astro Private Cloud" in conjunction with the rename happening with the APC 1.0 release.

🎟 Issue(s)

Related https://github.com/astronomer/issues/issues/7786

🧪 Functional Testing

Ran the local build to confirm the changes:

📋 Checklist

• Rebased from the main (or release if patching) branch (before testing)
• Ran make test before taking out of draft
• Ran make lint before taking out of draft
• Added/updated applicable tests
• Tested against Astro-API (if necessary).
• Tested against Houston-API and Astronomer (if necessary).
• Communicated to/tagged owners of respective clients potentially impacted by these changes.
• Updated any related documentation

[coveralls-official]

Pull Request Test Coverage Report for Build 1b614b35-4125-4564-8d4c-c96218882fef

Details

• 13 of 13 (100.0%) changed or added relevant lines in 7 files are covered.
• 2 unchanged lines in 1 file lost coverage.
• Overall coverage increased (+0.001%) to 38.131%

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Files with Coverage Reduction	New Missed Lines	%
docker/docker.go	2	46.81%

Totals
Change from base Build a0f74993-783a-426a-8ffd-30b07b242e98:	0.001%
Covered Lines:	23747
Relevant Lines:	62277

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💛 - Coveralls