build(deps): bump golang.org/x/net from 0.4.0 to 0.7.0 in /kvdb

Bumps [golang.org/x/net](https://github.com/golang/net) from 0.4.0 to 0.7.0.
- [Release notes](https://github.com/golang/net/releases)
- [Commits](https://github.com/golang/net/compare/v0.4.0...v0.7.0)

---
updated-dependencies:
- dependency-name: golang.org/x/net
  dependency-type: direct:production
...

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

kvdb/go.mod

@@ -14,7 +14,7 @@ require (
 	go.etcd.io/etcd/client/pkg/v3 v3.5.7
 	go.etcd.io/etcd/client/v3 v3.5.7
 	go.etcd.io/etcd/server/v3 v3.5.7
-	golang.org/x/net v0.4.0
+	golang.org/x/net v0.7.0
 	modernc.org/sqlite v1.20.3
 )
 
@@ -85,8 +85,8 @@ require (
 	go.uber.org/zap v1.17.0 // indirect
 	golang.org/x/crypto v0.0.0-20220411220226-7b82a4e95df4 // indirect
 	golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4 // indirect
-	golang.org/x/sys v0.3.0 // indirect
-	golang.org/x/text v0.5.0 // indirect
+	golang.org/x/sys v0.5.0 // indirect
+	golang.org/x/text v0.7.0 // indirect
 	golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba // indirect
 	golang.org/x/tools v0.1.12 // indirect
 	google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c // indirect