update supported postgresql versions for chainlink nodes (#3639)

Author: dangitsdavid

src/content/chainlink-nodes/llms-full.txt

@@ -3821,7 +3821,7 @@ Chainlink nodes have the following software dependencies:
 - Operating System: Linux, MacOS, or the [WSL](https://learn.microsoft.com/en-us/windows/wsl/about) (Windows Subsystem for Linux)
   - For production environments, Linux is recommended.
 - Docker: Although it is possible to [build Chainlink nodes from source](https://github.com/smartcontractkit/chainlink), the best practice is to use the [Chainlink Docker Images](https://hub.docker.com/r/smartcontract/chainlink/tags) without `-root`.
-- [PostgreSQL](https://wiki.postgresql.org/wiki/Detailed_installation_guides) versions `>= 12` (Version 12 and later).
+- [PostgreSQL](https://wiki.postgresql.org/wiki/Detailed_installation_guides) versions `>= 14` and `< 18` (Versions 14 through 17).
   - If you use a database as a service, your database host must provide access to logs.
   - If you run the database on a separate system, [secure the TCP/IP connection with SSL](https://www.postgresql.org/docs/15/ssl-tcp.html).
 

src/content/chainlink-nodes/resources/requirements.mdx

@@ -22,7 +22,7 @@ Chainlink nodes have the following software dependencies:
 - Operating System: Linux, MacOS, or the [WSL](https://learn.microsoft.com/en-us/windows/wsl/about) (Windows Subsystem for Linux)
   - For production environments, Linux is recommended.
 - Docker: Although it is possible to [build Chainlink nodes from source](https://github.com/smartcontractkit/chainlink), the best practice is to use the [Chainlink Docker Images](https://hub.docker.com/r/smartcontract/chainlink/tags) without `-root`.
-- [PostgreSQL](https://wiki.postgresql.org/wiki/Detailed_installation_guides) versions `>= 12` (Version 12 and later).
+- [PostgreSQL](https://wiki.postgresql.org/wiki/Detailed_installation_guides) versions `>= 14` and `< 18` (Versions 14 through 17).
   - If you use a database as a service, your database host must provide access to logs.
   - If you run the database on a separate system, [secure the TCP/IP connection with SSL](https://www.postgresql.org/docs/15/ssl-tcp.html).