DOCS-16463 Add Confirm Field in fCV Upgrade Syntax (#5135)

Author: ajhuh-mdb

source/release-notes/7.0-upgrade-replica-set.txt

@@ -165,7 +165,7 @@ individually while the other members are available.
 
       .. code-block:: javascript
 
-         db.adminCommand( { setFeatureCompatibilityVersion: "7.0" } )
+         db.adminCommand( { setFeatureCompatibilityVersion: "7.0", confirm: true } )
 
       Setting :ref:`featureCompatibilityVersion (fCV) : "7.0" <set-fcv>`
       implicitly performs a :dbcommand:`replSetReconfig` to add the

source/release-notes/7.0-upgrade-sharded-cluster.txt

@@ -442,7 +442,7 @@ Upgrade Procedure
 
       .. code-block:: javascript
 
-         db.adminCommand( { setFeatureCompatibilityVersion: "7.0" } )
+         db.adminCommand( { setFeatureCompatibilityVersion: "7.0", confirm: true } )
 
       Setting :ref:`featureCompatibilityVersion (fCV) : "7.0" <set-fcv>`
       implicitly performs a :dbcommand:`replSetReconfig` on each shard to

source/release-notes/7.0-upgrade-standalone.txt

@@ -116,7 +116,7 @@ Upgrade Procedure
 
       .. code-block:: javascript
 
-         db.adminCommand( { setFeatureCompatibilityVersion: "7.0" } ) 
+         db.adminCommand( { setFeatureCompatibilityVersion: "7.0", confirm: true } ) 
 
       This command must perform writes to an internal system 
       collection. If for any reason the command does not complete