Switch debs to use the SQLCipher static version

[MatMaul]

Fixes #1003
Fixes #1663
Fixes #648
Fixes #1663
Fixes #691
Fixes #932
Fixes #829
Fixes #904

Checklist

• Ensure your code works with manual testing
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• Sign-off given on the changes (see CONTRIBUTING.md)

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🐛 Bug Fixes

• Switch debs to use the SQLCipher static version (#1001). Fixes Element Desktop crashes when watching the search index rebuild #1003. Contributed by @MatMaul.

[t3chguy]

I will be looking to land this once I can do some additional testing once I return back to work next week

[t3chguy]

So merging this is non-trivial as it seems to be incompatible with existing data, so we'd need to either fix the failure ("Invalid Passphrase") or have it automatically rebuild your seshat db

[t3chguy]

@poljar to look into wiring seshat into calling https://www.zetetic.net/sqlcipher/sqlcipher-api/#cipher_migrate to hopefully fix the data incompatibility

[t3chguy]

Will be unblocked when matrix-org/seshat#136 lands

[t3chguy]

Blocking until RC on Tuesday to let it sit on Nightly for a full 2 weeks.