haumea/postgresql: return fp numbers to decimal notation

This was a bug in nixfmt-rfc-style.

NixOS/nixfmt#244

build/haumea/postgresql.nix

@@ -34,7 +34,7 @@
       log_statement = "none";
 
       # pgbadger-compatible logging
-      log_transaction_sample_rate = 1.0e-2;
+      log_transaction_sample_rate = 0.01;
       log_min_duration_statement = 5000;
       log_checkpoints = "on";
       log_connections = "on";
@@ -80,8 +80,8 @@
       # benefit from frequent vacuums, so this should
       # help. In particular, I'm thinking the jobsets
       # pages.
-      autovacuum_vacuum_scale_factor = 2.0e-2;
-      autovacuum_analyze_scale_factor = 1.0e-2;
+      autovacuum_vacuum_scale_factor = 0.02;
+      autovacuum_analyze_scale_factor = 0.01;
 
       shared_preload_libraries = "pg_stat_statements";
       compute_query_id = "on";