fixed sidebar typo (#510)

* fixed sidebar typo

* fixed remaining sidebar typo

website/content/docs/common-workflows/manage-identities.mdx

@@ -1,7 +1,7 @@
 ---
 layout: docs
 page_title: Manage Identities
-sidebar_title: Mange Identities
+sidebar_title: Manage Identities
 description: How to manage Boundary identities
 ---
 

website/content/docs/common-workflows/manage-scopes.mdx

@@ -1,7 +1,7 @@
 ---
 layout: docs
 page_title: Manage Scopes
-sidebar_title: Mange Scopes
+sidebar_title: Manage Scopes
 description: How to manage Boundary scopes
 ---
 

website/content/docs/common-workflows/manage-sessions.mdx

@@ -1,7 +1,7 @@
 ---
 layout: docs
 page_title: Manage Sessions
-sidebar_title: Mange Sessions
+sidebar_title: Manage Sessions
 description: How to manage Boundary sessions
 ---
 

website/content/docs/common-workflows/manage-targets.mdx

@@ -1,7 +1,7 @@
 ---
 layout: docs
 page_title: Manage Targets
-sidebar_title: Mange Targets
+sidebar_title: Manage Targets
 description: How to manage Boundary targets
 ---