Bump tailscale.com from 1.88.3 to 1.88.4

Bumps [tailscale.com](https://github.com/tailscale/tailscale) from 1.88.3 to 1.88.4.
- [Release notes](https://github.com/tailscale/tailscale/releases)
- [Commits](tailscale/tailscale@v1.88.3...v1.88.4)

---
updated-dependencies:
- dependency-name: tailscale.com
  dependency-version: 1.88.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

go.mod

@@ -62,7 +62,7 @@ require (
 	gorm.io/gorm v1.31.0
 	gvisor.dev/gvisor v0.0.0-20250503011706-39ed1f5ac29c
 	modernc.org/sqlite v1.39.0
-	tailscale.com v1.88.3
+	tailscale.com v1.88.4
 )
 
 require (

go.sum

@@ -638,5 +638,5 @@ mvdan.cc/sh/v3 v3.12.0 h1:ejKUR7ONP5bb+UGHGEG/k9V5+pRVIyD+LsZz7o8KHrI=
 mvdan.cc/sh/v3 v3.12.0/go.mod h1:Se6Cj17eYSn+sNooLZiEUnNNmNxg0imoYlTu4CyaGyg=
 software.sslmate.com/src/go-pkcs12 v0.4.0 h1:H2g08FrTvSFKUj+D309j1DPfk5APnIdAQAB8aEykJ5k=
 software.sslmate.com/src/go-pkcs12 v0.4.0/go.mod h1:Qiz0EyvDRJjjxGyUQa2cCNZn/wMyzrRJ/qcDXOQazLI=
-tailscale.com v1.88.3 h1:OiE6iVqzykhbITxmIKjH8d00cw0LsJFO3TuFd4jQVXU=
-tailscale.com v1.88.3/go.mod h1:LHaTiwRgzebPDLgZ6RQQVzX+1SR5fbNl51fzm7UtMaw=
+tailscale.com v1.88.4 h1:fXWotRMi9ZARyHRdKQa4ohXj8kqtemvvTzjreWLHVHo=
+tailscale.com v1.88.4/go.mod h1:LHaTiwRgzebPDLgZ6RQQVzX+1SR5fbNl51fzm7UtMaw=

vendor/modules.txt

@@ -1212,7 +1212,7 @@ modernc.org/sqlite/lib
 ## explicit; go 1.23.0
 mvdan.cc/sh/v3/fileutil
 mvdan.cc/sh/v3/syntax
-# tailscale.com v1.88.3
+# tailscale.com v1.88.4
 ## explicit; go 1.25.1
 tailscale.com
 tailscale.com/appc