Convert TOML front matter to YAML (#49690)

Signed-off-by: Jack Baldry <jack.baldry@grafana.com>

docs/sources/administration/cli.md

@@ -1,10 +1,15 @@
-+++
-aliases = ["/docs/grafana/latest/administration/cli/"]
-description = "Guide to using grafana-cli"
-keywords = ["grafana", "cli", "grafana-cli", "command line interface"]
-title = "Grafana CLI"
-weight = 400
-+++
+---
+aliases:
+  - /docs/grafana/latest/administration/cli/
+description: Guide to using grafana-cli
+keywords:
+  - grafana
+  - cli
+  - grafana-cli
+  - command line interface
+title: Grafana CLI
+weight: 400
+---
 
 # Grafana CLI