chore: update golang.org/x dependencies (canonical#426)

The update to x/net also fixes security issue
https://pkg.go.dev/vuln/GO-2024-2687 -- which doesn't actually affect
Pebble at the moment, but it's good to be up to date on these.

feat: bump version number for v1.11.0 release

Reinstate GitHub Actions snap workflow (on latest release branch)

Bump version up to v1.7.4 for release

Bump version up to v1.4.2 for release

Set version number for v1.1.1 release

Bump up version for v1.10.1 release

Bump version to v1.10.0 for release

Bump up version number for v1.9.1 release

Update version for v1.7.3 patch release