Updated changelog and opam file

Author: mmottl

CHANGES.md

@@ -1,3 +1,12 @@
+## 5.1.2 (2024-12-08)
+
+- Fixed version discovery with pkg-config.
+- Removed obsolete `base-bytes` dependency.
+- Switched to ocamlformat 0.27.0.
+- Fixed macro naming and instantiation formatting.
+- Fixed copyright notices.
+- Improved GitHub workflow.
+
 ## 5.1.1 (2024-11-26)
 
 - Fixed a rare, architecture-specific GC bug in `lo_seek`.

postgresql.opam

@@ -18,7 +18,6 @@ depends: [
   "ocaml" {>= "4.12"}
   "dune-configurator"
   "conf-postgresql" {build}
-  "base-bytes"
   "odoc" {with-doc}
 ]
 build: [