chore(deps): update module tailscale.com to v1.80.0

Author: renovate[bot]

go.mod

@@ -2,4 +2,4 @@ module github.com/DoodleScheduling/derp-server
 
 go 1.23.3
 
-require tailscale.com v1.78.3
+require tailscale.com v1.80.0

go.sum

@@ -1,4 +1,4 @@
-golang.org/x/mod v0.19.0 h1:fEdghXQSo20giMthA7cd28ZC+jts4amQ3YMXiP5oMQ8=
-golang.org/x/mod v0.19.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
-tailscale.com v1.78.3 h1:2BJepIEYA0ba0ZXn2rOuZjYzIV4Az+X9RS5XJF007Ug=
-tailscale.com v1.78.3/go.mod h1:gT7ALbLFCr2YIu0kgc9Q3tBVaTlod65D2N6jMLH11Bk=
+golang.org/x/mod v0.22.0 h1:D4nJWe9zXqHOmWqj4VMOJhvzj7bEZg4wEYa759z1pH4=
+golang.org/x/mod v0.22.0/go.mod h1:6SkKJ3Xj0I0BrPOZoBy3bdMptDDU9oJrpohJ3eWZ1fY=
+tailscale.com v1.80.0 h1:7joWtDtdHEHJvGmOag10RNITKp1I4Ts7Hrn6pU33/1I=
+tailscale.com v1.80.0/go.mod h1:4tasV1xjJAMHuX2xWMWAnXEmlrAA6M3w1xnc32DlpMk=