build: Fix peer dependency warning (#18213)

PR #18198 added a dependency to the root that caused a peer dependency
warning. The dep is not needed at the root, so I added it to the peer
dep overrides.

package.json

@@ -359,7 +359,8 @@
 		},
 		"peerDependencyComments": [
 			"@types/node is ignored because it is usually not needed by packages, and if it is, then the package will hit a compilation failure.",
-			"Peer dependencies on fluid-framework are never fulfilled since that's an in-repo dependency; we expect a customer using some packages to install it as a dependency."
+			"Peer dependencies on fluid-framework are never fulfilled since that's an in-repo dependency; we expect a customer using some packages to install it as a dependency.",
+			"markdown-magic is provided by another dependency so is ignored here."
 		],
 		"peerDependencyRules": {
 			"allowedVersions": {
@@ -369,7 +370,8 @@
 			},
 			"ignoreMissing": [
 				"@types/node",
-				"fluid-framework"
+				"fluid-framework",
+				"markdown-magic"
 			]
 		},
 		"patchedDependencies": {