fix(deps): update module golang.org/x/net to v0.48.0 (#2176)

This PR contains the following updates:

| Package | Change |
[Age](https://docs.renovatebot.com/merge-confidence/) |
[Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
| [golang.org/x/net](https://pkg.go.dev/golang.org/x/net) | [`v0.46.0` →
`v0.48.0`](https://cs.opensource.google/go/x/net/+/refs/tags/v0.46.0...refs/tags/v0.48.0)
|
![age](https://developer.mend.io/api/mc/badges/age/go/golang.org%2fx%2fnet/v0.48.0?slim=true)
|
![confidence](https://developer.mend.io/api/mc/badges/confidence/go/golang.org%2fx%2fnet/v0.46.0/v0.48.0?slim=true)
|

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you
are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

## Need help?
You can ask for more help in the following Slack channel:
#proj-renovate-self-hosted. In that channel you can also find ADR and
FAQ docs in the Resources section.

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0Mi42NC4xIiwidXBkYXRlZEluVmVyIjoiNDIuNjQuMSIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOlsidXBkYXRlLW1pbm9yIl19-->

---------

Signed-off-by: renovate-sh-app[bot] <219655108+renovate-sh-app[bot]@users.noreply.github.com>
Co-authored-by: renovate-sh-app[bot] <219655108+renovate-sh-app[bot]@users.noreply.github.com>
Co-authored-by: Jocelyn Collado-Kuri <jcolladokuri@icloud.com>

pkg/datasource/zabbix.go

@@ -1,13 +1,13 @@
 package datasource
 
 import (
+	"context"
 	"strings"
 	"time"
 
 	"github.com/alexanderzobnin/grafana-zabbix/pkg/timeseries"
 
 	"github.com/alexanderzobnin/grafana-zabbix/pkg/zabbix"
-	"golang.org/x/net/context"
 
 	"github.com/grafana/grafana-plugin-sdk-go/backend"
 	"github.com/grafana/grafana-plugin-sdk-go/data"