Fix typo 'earch' to 'search' in TOC entry (#46914)

Author: Gurry-12

docs/navigate/tools-diagnostics/toc.yml

@@ -180,7 +180,7 @@ items:
                 href: ../../core/tools/dotnet-nuget-config-paths.md
           - name: dotnet pack
             href: ../../core/tools/dotnet-pack.md
-          - name: dotnet package add/list/remove/earch
+          - name: dotnet package add/list/remove/search
             items:
               - name: dotnet package add
                 href: ../../core/tools/dotnet-package-add.md