chore(deps): bump grafana/grafana from 4.41.0 to 4.42.0 in /src

Bumps [grafana/grafana](https://github.com/grafana/terraform-provider-grafana) from 4.41.0 to 4.42.0.
- [Release notes](https://github.com/grafana/terraform-provider-grafana/releases)
- [Changelog](https://github.com/grafana/terraform-provider-grafana/blob/main/CHANGELOG.md)
- [Commits](grafana/terraform-provider-grafana@v4.41.0...v4.42.0)

---
updated-dependencies:
- dependency-name: grafana/grafana
  dependency-version: 4.41.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

src/terraform.tf

@@ -24,7 +24,7 @@ terraform {
     }
     grafana = {
       source  = "grafana/grafana"
-      version = "4.41.0"
+      version = "4.42.0"
     }
     opnsense = {
       source  = "browningluke/opnsense"