Fixed conflicting tags for CES tool (#15704) (hashicorp#11064)

[upstream:c890c3fd83f20ec07961dc36f4b6b78bf88608ca]

Signed-off-by: Modular Magician <magic-modules@google.com>

Author: modular-magician

.changelog/15704.txt

@@ -0,0 +1,3 @@
+```release-note:bug
+ces: fixed conflicting required and output tags in CES tool
+```

google-beta/services/ces/resource_ces_tool.go

@@ -1084,7 +1084,7 @@ app.`,
 								Schema: map[string]*schema.Schema{
 									"ca_certs": {
 										Type:     schema.TypeList,
-										Required: true,
+										Computed: true,
 										Description: `Specifies a list of allowed custom CA certificates for HTTPS
 verification.`,
 										Elem: &schema.Resource{

website/docs/r/ces_tool.html.markdown

@@ -1098,13 +1098,13 @@ In addition to the arguments listed above, the following computed attributes are
 <a name="nested_open_api_tool_tls_config"></a>The `tls_config` block contains:
 
 * `ca_certs` -
-  (Required)
+  (Output)
   Specifies a list of allowed custom CA certificates for HTTPS
   verification.
   Structure is [documented below](#nested_open_api_tool_tls_config_ca_certs).
 
 
-<a name="nested_open_api_tool_tls_config_ca_certs"></a>The `ca_certs` block supports:
+<a name="nested_open_api_tool_tls_config_ca_certs"></a>The `ca_certs` block contains:
 
 * `cert` -
   (Output)