Bump version; Update changelog

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## v2.2.5
+
+- [extend](./docs/generating_the_url_advanced.md#extend) processing option;
+- Fixed SVG detection;
+- Add `vips_memory_bytes`, `vips_max_memory_bytes` and `vips_allocs` metrics to Prometheus.
+
 ## v2.2.4
 
 - Minor improvements.

main.go

@@ -11,7 +11,7 @@ import (
 	_ "net/http/pprof"
 )
 
-const version = "2.2.4"
+const version = "2.2.5"
 
 type ctxKey string