chore(lint): modernize chunk size clamp

The Go 1.26 lint configuration requires simple lower-bound clamps to use the built-in max helper. Keep the SQLite bind-variable safety floor unchanged while allowing the pull request lint job to pass.

Author: wesm

internal/db/project_identity.go

@@ -1850,10 +1850,7 @@ func (db *DB) ListPublishableSessionProjectIdentitySnapshots(
 	if sessionIDs == nil {
 		return query(nil)
 	}
-	chunkSize := maxSQLVars - len(projects) - len(excludeProjects)
-	if chunkSize < 1 {
-		chunkSize = 1
-	}
+	chunkSize := max(maxSQLVars-len(projects)-len(excludeProjects), 1)
 	var out []export.ProjectIdentityObservation
 	err := queryChunkedSize(sessionIDs, chunkSize, func(ids []string) error {
 		rows, err := query(ids)