RHAIENG-1186: chore(code-server): it looks like there may be a justification for installing node 22.18

When I had 22.19.0, the build downloaded 22.18.0 at one point.

```
  [18:37:46] Starting node-linux-x64 ...
  [18:37:46] Downloading node.js 22.18.0 linux x64 from https://nodejs.org...
```

Author: jiridanek

codeserver/ubi9-python-3.12/Dockerfile.cpu

@@ -21,7 +21,7 @@ COPY --from=registry.access.redhat.com/ubi9/ubi /etc/yum.repos.d/ubi.repo /etc/y
 
 ARG CODESERVER_SOURCE_CODE=codeserver/ubi9-python-3.12
 
-ARG NODE_VERSION=22.19.0
+ARG NODE_VERSION=22.18.0
 
 ARG CODESERVER_VERSION=v4.104.0
 

codeserver/ubi9-python-3.12/get_code_server_rpm.sh

@@ -20,7 +20,7 @@ ARCH="${UNAME_TO_GOARCH[$(uname -m)]}"
 if [[ "$ARCH" == "amd64" || "$ARCH" == "arm64" ||"$ARCH" == "ppc64le" ]]; then
 
 	export MAX_JOBS=${MAX_JOBS:-$(nproc)}
-	export NODE_VERSION=${NODE_VERSION:-22.19.0}
+	export NODE_VERSION=${NODE_VERSION:-22.18.0}
 	export CODESERVER_VERSION=${CODESERVER_VERSION:-v4.104.0}
 
 	export NVM_DIR=/root/.nvm VENV=/opt/.venv