build(deps): bump github.com/GoogleCloudPlatform/k8s-config-connector

Bumps [github.com/GoogleCloudPlatform/k8s-config-connector](https://github.com/GoogleCloudPlatform/k8s-config-connector) from 1.146.0 to 1.148.0.
- [Release notes](https://github.com/GoogleCloudPlatform/k8s-config-connector/releases)
- [Commits](GoogleCloudPlatform/k8s-config-connector@v1.146.0...v1.148.0)

---
updated-dependencies:
- dependency-name: github.com/GoogleCloudPlatform/k8s-config-connector
  dependency-version: 1.148.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

go.mod

@@ -1,6 +1,6 @@
 module github.com/nais/cloudsql-migrator
 
-go 1.25.0
+go 1.26
 
 // These have invalid versions, but aren't actually in use.
 // They are pulled in by github.com/GoogleCloudPlatform/k8s-config-connector
@@ -12,7 +12,7 @@ replace github.com/GoogleCloudPlatform/k8s-config-connector/mockgcp => ./invalid
 require (
 	cloud.google.com/go/clouddms v1.9.0
 	cloud.google.com/go/monitoring v1.25.0
-	github.com/GoogleCloudPlatform/k8s-config-connector v1.146.0
+	github.com/GoogleCloudPlatform/k8s-config-connector v1.148.0
 	github.com/google/uuid v1.6.0
 	github.com/lib/pq v1.12.3
 	github.com/nais/liberator v0.0.0-20250411064636-3e5a44a59298

go.sum

@@ -28,6 +28,8 @@ github.com/GoogleCloudPlatform/k8s-config-connector v1.145.0 h1:bk1oNxc4Z2IVFTWQ
 github.com/GoogleCloudPlatform/k8s-config-connector v1.145.0/go.mod h1:cpj0ZxA3WkiSfmZGISXsP1wVeal50OAlM4CunGzTyMU=
 github.com/GoogleCloudPlatform/k8s-config-connector v1.146.0 h1:+KDsnaIflB8EHhcB+vPzGN8B/N7qWgGtji6nw4UIyjk=
 github.com/GoogleCloudPlatform/k8s-config-connector v1.146.0/go.mod h1:cpj0ZxA3WkiSfmZGISXsP1wVeal50OAlM4CunGzTyMU=
+github.com/GoogleCloudPlatform/k8s-config-connector v1.148.0 h1:V2xy9CqLH4HIqo6shsBY6++T8oHMoDL+Pp4NgWfwbks=
+github.com/GoogleCloudPlatform/k8s-config-connector v1.148.0/go.mod h1:L9Do+S1MOOVjINtP5I+DTm8In7fBjpGAEDHJxKJUCBA=
 github.com/Masterminds/semver/v3 v3.4.0 h1:Zog+i5UMtVoCU8oKka5P7i9q9HgrJeGzI9SA1Xbatp0=
 github.com/Masterminds/semver/v3 v3.4.0/go.mod h1:4V+yj/TJE1HU9XfppCwVMZq3I84lprf4nC11bSS5beM=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=