Update image references for 5.9 release

Author: bsngardner

docs/faq.md

@@ -234,7 +234,7 @@ accross all instances and allows easy user control with
 ### What Slurm image do I use for production?
 
 By default, the [slurm_cluster](../terraform/slurm_cluster/README.md) terraform
-module uses the latest Slurm image family (e.g. `slurm-gcp-5-8-hpc-centos-7`).
+module uses the latest Slurm image family (e.g. `slurm-gcp-5-9-hpc-centos-7`).
 As new Slurm image families are released, coenciding with periodic Slurm
 releases, the terraform module will be updated to track the newest image family
 by setting it as the new default. This update can be considered a breaking

docs/images.md

@@ -71,12 +71,12 @@ that are minimal viable images for deploying
 
 |       Project        | Image Family                        | Arch   | Status         |
 | :------------------: | :---------------------------------- | :----- | :------------- |
-| schedmd-slurm-public | slurm-gcp-5-8-debian-11             | x86_64 | Supported      |
-| schedmd-slurm-public | slurm-gcp-5-8-hpc-rocky-linux-8     | x86_64 | Supported      |
-| schedmd-slurm-public | slurm-gcp-5-8-ubuntu-2004-lts       | x86_64 | Supported      |
-| schedmd-slurm-public | slurm-gcp-5-8-ubuntu-2204-lts-arm64 | ARM64  | Supported      |
-| schedmd-slurm-public | slurm-gcp-5-8-hpc-centos-7-k80      | x86_64 | EOL 2024-05-01 |
-| schedmd-slurm-public | slurm-gcp-5-8-hpc-centos-7          | x86_64 | EOL 2024-01-01 |
+| schedmd-slurm-public | slurm-gcp-5-9-debian-11             | x86_64 | Supported      |
+| schedmd-slurm-public | slurm-gcp-5-9-hpc-rocky-linux-8     | x86_64 | Supported      |
+| schedmd-slurm-public | slurm-gcp-5-9-ubuntu-2004-lts       | x86_64 | Supported      |
+| schedmd-slurm-public | slurm-gcp-5-9-ubuntu-2204-lts-arm64 | ARM64  | Supported      |
+| schedmd-slurm-public | slurm-gcp-5-9-hpc-centos-7-k80      | x86_64 | EOL 2024-05-01 |
+| schedmd-slurm-public | slurm-gcp-5-9-hpc-centos-7          | x86_64 | EOL 2024-01-01 |
 
 ## Custom Image
 

terraform/slurm_cluster/modules/slurm_instance_template/main.tf

@@ -51,7 +51,7 @@ locals {
   source_image_family = (
     var.source_image_family != "" && var.source_image_family != null
     ? var.source_image_family
-    : "slurm-gcp-5-8-hpc-centos-7"
+    : "slurm-gcp-5-9-hpc-centos-7"
   )
   source_image_project = (
     var.source_image_project != "" && var.source_image_project != null