docs: use PackageProjectUrl as fsdocs root instead of --root flag

fsdocs reads PackageProjectUrl as the site root automatically.
Point PackageProjectUrl at the GitHub Pages docs site; RepositoryUrl
retains the GitHub repo link. Remove the now-redundant --root flag
from the workflow.

Author: dsyme

.github/workflows/docs.yaml

@@ -35,7 +35,7 @@ jobs:
         run: dotnet build src/FSharp.Control.TaskSeq/FSharp.Control.TaskSeq.fsproj -c Release
 
       - name: Build docs
-        run: dotnet fsdocs build --properties Configuration=Release --eval --root https://fsprojects.github.io/FSharp.Control.TaskSeq/
+        run: dotnet fsdocs build --properties Configuration=Release --eval
 
       - name: Deploy to GitHub Pages
         uses: peaceiris/actions-gh-pages@v4

src/FSharp.Control.TaskSeq/FSharp.Control.TaskSeq.fsproj

@@ -14,7 +14,7 @@ The 'taskSeq' computation expression adds support for awaitable asynchronous seq
 
 Generates optimized IL code through resumable state machines, and comes with a comprehensive set of functions in module 'TaskSeq'. See README for documentation and more info.</Description>
     <Copyright>Copyright 2022-2024</Copyright>
-    <PackageProjectUrl>https://github.com/fsprojects/FSharp.Control.TaskSeq</PackageProjectUrl>
+    <PackageProjectUrl>https://fsprojects.github.io/FSharp.Control.TaskSeq/</PackageProjectUrl>
     <RepositoryUrl>https://github.com/fsprojects/FSharp.Control.TaskSeq</RepositoryUrl>
     <PackageIcon>taskseq-icon.png</PackageIcon>
     <PackageOutputPath>..\..\packages</PackageOutputPath>