[Inventory] Update deprecated access tags to the new security configu…

…ration in routes (elastic#204010)

## Summary

Closes elastic#203794

This PR replaces the deprecated `access` tags with the new `security`
configuration.

All instances of `options: {tags: ['access:inventory']}` are now updated
to `security: {authz: {requiredPrivileges: ['inventory']}}`.

x-pack/plugins/observability_solution/inventory/server/routes/entities/route.ts

@@ -22,8 +22,10 @@ import { getLatestEntitiesAlerts } from './get_latest_entities_alerts';
 
 export const getEntityTypesRoute = createInventoryServerRoute({
   endpoint: 'GET /internal/inventory/entities/types',
-  options: {
-    tags: ['access:inventory'],
+  security: {
+    authz: {
+      requiredPrivileges: ['inventory'],
+    },
   },
   handler: async ({ context, logger }) => {
     const coreContext = await context.core;
@@ -52,8 +54,10 @@ export const listLatestEntitiesRoute = createInventoryServerRoute({
       }),
     ]),
   }),
-  options: {
-    tags: ['access:inventory'],
+  security: {
+    authz: {
+      requiredPrivileges: ['inventory'],
+    },
   },
   handler: async ({
     params,
@@ -119,8 +123,10 @@ export const groupEntitiesByRoute = createInventoryServerRoute({
       }),
     }),
   ]),
-  options: {
-    tags: ['access:inventory'],
+  security: {
+    authz: {
+      requiredPrivileges: ['inventory'],
+    },
   },
   handler: async ({ params, context, logger }) => {
     const coreContext = await context.core;

x-pack/plugins/observability_solution/inventory/server/routes/has_data/route.ts

@@ -11,8 +11,10 @@ import { getHasData } from './get_has_data';
 
 export const hasDataRoute = createInventoryServerRoute({
   endpoint: 'GET /internal/inventory/has_data',
-  options: {
-    tags: ['access:inventory'],
+  security: {
+    authz: {
+      requiredPrivileges: ['inventory'],
+    },
   },
   handler: async ({ context, logger }) => {
     const coreContext = await context.core;

x-pack/plugins/observability_solution/inventory/server/routes/types.ts

@@ -33,5 +33,4 @@ export interface InventoryRouteCreateOptions {
   timeout?: {
     idleSocket?: number;
   };
-  tags: Array<'access:inventory'>;
 }