Small whitespace fix by linter

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: bbockelm

src/scitokens_cache.cpp

@@ -100,7 +100,7 @@ std::string get_cache_file() {
 // If a failure occurs, then this function returns nonzero and closes
 // the database handle.
 int remove_issuer_entry(sqlite3 *db, const std::string &issuer,
-                         bool new_transaction) {
+                        bool new_transaction) {
 
     int rc;
     if (new_transaction) {