simplify: use git ls-remote consistently for version detection

- Remove git describe fallback complexity
- Always use git ls-remote for consistency with PowerShell script
- More reliable in CI environments and shallow clones

Author: vaind

updater/tests/workflow-args.sh

@@ -6,7 +6,20 @@ set -euo pipefail
 case $1 in
 get-version)
     # Return the actual latest tag to ensure no update is needed
-    git describe --tags --abbrev=0
+    # Always use remote lookup for consistency with update-dependency.ps1
+    tags=$(git ls-remote --tags --refs https://github.com/getsentry/github-workflows.git | \
+           sed 's/.*refs\/tags\///' | \
+           grep -E '^v?[0-9.]+$')
+
+    # Sort by version number, handling mixed v prefixes
+    latest=$(echo "$tags" | sed 's/^v//' | sort -V | tail -1)
+
+    # Check if original had v prefix and restore it
+    if echo "$tags" | grep -q "^v$latest$"; then
+        echo "v$latest"
+    else
+        echo "$latest"
+    fi
 
     # Run actual tests here.
     if [[ "$(uname)" != 'Darwin' ]]; then