Update make docs procedure and related workflows (#71537)

* Add myself as CODEOWNER for `make docs` procedure and related workflows

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

* Update `make docs` procedure

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

* Add workflow to update `make docs` procedure

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

* Update doc-validator workflow

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

* Fix team handle

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

* Clean up CODEOWNERS

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

---------

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

.github/workflows/doc-validator.yml

@@ -7,7 +7,7 @@ jobs:
   doc-validator:
     runs-on: "ubuntu-latest"
     container:
-      image: "grafana/doc-validator:v3.0.0"
+      image: "grafana/doc-validator:v3.2.0"
     steps:
       - name: "Checkout code"
         uses: "actions/checkout@v3"