feat: store coder_workspace_tags in the database (#13294)

coderd/database/queries/templateversionworkspacetags.sql

@@ -0,0 +1,16 @@
+-- name: InsertTemplateVersionWorkspaceTag :one
+INSERT INTO
+    template_version_workspace_tags (
+        template_version_id,
+        key,
+        value
+    )
+VALUES
+    (
+        $1,
+        $2,
+        $3
+    ) RETURNING *;
+
+-- name: GetTemplateVersionWorkspaceTags :many
+SELECT * FROM template_version_workspace_tags WHERE template_version_id = $1 ORDER BY LOWER(key) ASC;