thunderbird: Update to v156.0

[Jaredy899]

aerynOS Update Package Pull Request

Summary

• Release notes can be found here

Testing Performed

• I have tested the package and can confirm that just build completes successfully, the package installs via moss and that the application functions as expected
• No obvious security or stability concerns or any regressions observed in testing
• The package was tested against the volatile stream

Additional testing notes:

Checklist

• An approved package update request issue exists (Resolves: #[issue number])
• I have read and conformed to both the Package Addition Policy, and the Contributing Guidelines. I also confirm that this is my own work or properly attributed
• No sensitive credentials, API keys, or secrets are included in this PR
• This change could gainfully be highlighted in the Stream Update notes once merged

Additional Context

Screenshots / Output (if applicable)

[Jaredy899]

Mental note next time to change to aerynOS