chore(deps): update docker.io/hashicorp/terraform docker tag to v1.3.9

This MR contains the following updates:

Package	Type	Update	Change
docker.io/hashicorp/terraform	stage	patch	1.3.7 -> 1.3.9

---

Configuration

Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

Automerge: Disabled by config. Please merge this manually once you are satisfied.

Rebasing: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox.

Ignore: Close this MR and you won't be reminded about this update again.

---

• If you want to rebase/retry this MR, check this box

---

This MR has been generated by Renovate Bot. The local configuration can be found in the SI Renovate Bot repository.

images/koolbox/Dockerfile

@@ -128,7 +128,7 @@ RUN curl -L "https://github.com/rust-lang/mdBook/releases/download/${MDBOOK_VERS
     && install -o root -g root -m 0755 mdbook /usr/local/bin/mdbook
 
 # Terraform CLI
-FROM docker.io/hashicorp/terraform:1.3.7 AS terraform
+FROM docker.io/hashicorp/terraform:1.3.9 AS terraform
 
 # Actual start of container build
 FROM quay.io/fedora/fedora:36