fix(ci): automate CTAN validation and uploading

Author: muzimuzhi

.github/workflows/main.yml

@@ -124,9 +124,13 @@ jobs:
 
     - name: "CTAN: Validate"
       run: |
-        l3build upload --dry-run --date "$tagdate" "$tagname"
+        # temp workaround for l3build 2022-11-10
+        # see https://github.com/latex3/l3build/issues/264
+        echo "n" | l3build upload --dry-run --date "$tagdate" "$tagname"
 
     - name: "CTAN: Upload"
       if: github.repository == 'pgf-tikz/pgf'
       run: |
-        l3build upload --date "$tagdate" "$tagname"
+        # temp workaround for l3build 2022-11-10
+        # https://github.com/latex3/l3build/issues/265
+        echo "y" | l3build upload --date "$tagdate" "$tagname"