chore: add setup-terraform step to workflows

GHA now use Ubuntu 24.0 and do not ship with terraform in the image.
This needs to be setup manually.

Author: staaldraad

.github/workflows/generate-json.yml

@@ -15,6 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - uses: hashicorp/setup-terraform@v3
       - uses: actions/setup-go@v5
         with:
           go-version-file: 'go.mod'

.github/workflows/test.yml

@@ -44,6 +44,7 @@ jobs:
         with:
           go-version-file: 'go.mod'
           cache: true
+      - uses: hashicorp/setup-terraform@v3
       - run: go generate ./...
       - name: git diff
         run: |