fix(cd): Add OpenTofu setup step to all deployment jobs

Deployment jobs were failing with 'tofu: command not found'. Added Setup OpenTofu step to deploy-pve1, deploy-pve2, and deploy-pve3 jobs.

.forgejo/workflows/deploy.yml

@@ -76,6 +76,11 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
+      - name: Setup OpenTofu
+        run: |
+          if ! command -v tofu &> /dev/null; then
+            curl -fsSL https://get.opentofu.org/install-opentofu.sh | bash -s -- --install-method standalone --opentofu-version 1.10.7
+          fi
       - name: Terraform Apply on pve1
         run: |
           cd terraform/pve1
@@ -105,6 +110,11 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
+      - name: Setup OpenTofu
+        run: |
+          if ! command -v tofu &> /dev/null; then
+            curl -fsSL https://get.opentofu.org/install-opentofu.sh | bash -s -- --install-method standalone --opentofu-version 1.10.7
+          fi
       - name: Terraform Apply on pve2
         run: |
           cd terraform/pve2
@@ -134,6 +144,11 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
+      - name: Setup OpenTofu
+        run: |
+          if ! command -v tofu &> /dev/null; then
+            curl -fsSL https://get.opentofu.org/install-opentofu.sh | bash -s -- --install-method standalone --opentofu-version 1.10.7
+          fi
       - name: Terraform Apply on pve3
         run: |
           cd terraform/pve3