go.mod: update go to 1.24.11 (tailscale#135)

Signed-off-by: Benson Wong <benson@tailscale.com>

server: remove old migration hint comments (tailscale#129)

Signed-off-by: Benson Wong <benson@tailscale.com>

.github/flake/go.mod.sri/update-flake.sh: update Nix dependencies (ta…

…ilscale#93)

Signed-off-by: Mike O'Driscoll <mikeo@tailscale.com>

server: changes from external security review (tailscale#89)

Implement multiple recommendations from external security review: 

Signed-off-by: Benson Wong <benson@tailscale.com>
Co-authored-by: Andrew Lytvynov <awly@tailscale.com>

server: add support for bool type in extraClaims (tailscale#68)

Add support for bools in the extraClaims app cap grant

Updates tailscale#62

Signed-off-by: Benson Wong <benson@tailscale.com>

server: add support for mobile URI schemes (tailscale#61)

Remove the constraint that redirect_uri must be only http or https. This will support flows in mobile application that use a redirect_uri like: app.mymobile:///oauth-callback

Signed-off-by: Benson Wong <benson@tailscale.com>