Update package version to 18.6

info.yml

@@ -1,6 +1,6 @@
 name: postgresql
 description: A powerful, open source object-relational database system
-version: "18.3"
+version: "18.6"
 revision: 1
 url: https://www.postgresql.org/
 license: PostgreSQL
@@ -43,4 +43,4 @@ downloads:
   - url: https://ftp.postgresql.org/pub/source/v${BPM_PKG_VERSION}/postgresql-${BPM_PKG_VERSION}.tar.bz2
     extract_to: ${BPM_SOURCE}
     extract_strip_components: 1
-    checksum: d95663fbbf3a80f81a9d98d895266bdcb74ba274bcc04ef6d76630a72dee016f
+    checksum: 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f

recipe.sh

@@ -1,4 +1,4 @@
-# This is the source.sh script. It is executed by BPM in a temporary directory when compiling a source package
+# This is the recipe.sh script. It is executed by BPM in a temporary directory when compiling a source package
 # BPM Expects the source code to be extracted into the automatically created 'source' directory which can be accessed using $BPM_SOURCE
 # BPM Expects the output files to be present in the automatically created 'output' directory which can be accessed using $BPM_OUTPUT