[API docs] Fixes URLs in the update exception container docs and crea…

…te exception item docs (#3819)

(cherry picked from commit 6d6f7f4)

docs/detections/api/exceptions/api-create-exception-item.asciidoc

@@ -139,7 +139,7 @@ container:
 
 [source,console]
 --------------------------------------------------
-POST api/lists/exception_lists/items
+POST api/exception_lists/items
 {
   "description": "Excludes the weekly maintenance job",
   "entries": [
@@ -169,7 +169,7 @@ Adds hosts on which the `maintenance` process is allowed to run to the
 
 [source,console]
 --------------------------------------------------
-POST api/lists/exception_lists/items
+POST api/exception_lists/items
 {
   "comments": [
     {"comment": "Allows maintenance process to run on the specified machines"}
@@ -216,7 +216,7 @@ value on Windows OS:
 
 [source,console]
 --------------------------------------------------
-POST api/lists/exception_lists/items
+POST api/exception_lists/items
 {
   "_tags": [
     "endpoint", <1>
@@ -255,7 +255,7 @@ as an exception item to the `trusted-IPs` exception container:
 
 [source,console]
 --------------------------------------------------
-POST api/lists/exception_lists/items
+POST api/exception_lists/items
 {
   "description": "Uses the external-ip-container list to exclude trusted external IPs.",
   "entries": [
@@ -293,7 +293,7 @@ Adds an exception for nested Endpoint fields:
 
 [source,console]
 --------------------------------------------------
-POST api/lists/exception_lists/items
+POST api/exception_lists/items
 {
   "description": "Excludes all processes signed by Trusted Signer, Inc.",
   "entries": [

docs/detections/api/exceptions/api-update-exception-container.asciidoc

@@ -7,7 +7,7 @@ NOTE: Console supports only Elasticsearch APIs. Console doesn't allow interactio
 
 ==== Request URL
 
-`PUT <kibana host>:<port>/api/lists`
+`PUT <kibana host>:<port>/api/exception_lists`
 
 ==== Request body