feat: Make private link exclusion optional (#239)

Make private link exclusion optional

.github/workflows/links.yaml

@@ -16,11 +16,11 @@ on:
   workflow_dispatch:
   workflow_call:
     inputs:
-      additional_args:
+      lychee-additional-args:
         description: Additional arguments to pass to lychee
         required: false
         type: string
-        default: ""
+        default: "--exclude-private"
       package-subdirectory:
         description: Subdirectory in the repository, where the R package is located.
         required: false
@@ -82,11 +82,10 @@ jobs:
         uses: lycheeverse/[email protected]
         with:
           args: >-
-            --exclude-private
             --exclude "https://github.com.*.git|https://insightsengineering.github.io.*|lewagon.*|knightdave.*|.*users.noreply.github.com|lycheeverse.*"
             --verbose
             --no-progress
-            ${{ inputs.additional_args }}
+            ${{ inputs.lychee-additional-args }}
             **/*.md
             **/*.html
             **/*.Rmd