fix: change default Terraform version to 1.8.5 (#186)

This PR increases the default version of Terraform used from `1.8.3` to
version `1.8.5`.
This is not considered a breaking change because it's just a patch
release that shouldn't have any backwards incompatibilities.

Signed-off-by: team-tf-cdk <[email protected]>

.projenrc.ts

@@ -29,7 +29,7 @@ const inputs = {
   },
   terraformVersion: {
     description: "The version of Terraform to use",
-    default: "1.8.3",
+    default: "1.8.5",
     required: false,
     type: "string",
   },

README.md

@@ -8,7 +8,7 @@ The Terraform CDK GitHub Action allows you to run CDKTF as part of your CI/CD wo
 | parameter | description | required | default |
 | --- | --- | --- | --- |
 | cdktfVersion | The version of CDKTF to use | `false` | 0.20.7 |
-| terraformVersion | The version of Terraform to use | `false` | 1.8.3 |
+| terraformVersion | The version of Terraform to use | `false` | 1.8.5 |
 | workingDirectory | The directory to use for the project | `false` | ./ |
 | mode | What action to take: `synth-only` runs only the synthesis, `plan-only` only runs a plan, `auto-approve-apply` runs a plan and then performs an apply, `auto-approve-destroy` runs a plan and then performs a destroy | `true` |  |
 | stackName | The stack to run / plan, only required when the mode is `plan-only` or `plan-and-apply` | `false` |  |
@@ -61,7 +61,7 @@ jobs:
         uses: hashicorp/terraform-cdk-action@v4
         with:
           cdktfVersion: 0.20.7
-          terraformVersion: 1.8.3
+          terraformVersion: 1.8.5
           mode: plan-only
           stackName: my-stack
           terraformCloudToken: ${{ secrets.TF_API_TOKEN }}
@@ -109,7 +109,7 @@ jobs:
         uses: hashicorp/terraform-cdk-action@v4
         with:
           cdktfVersion: 0.20.7
-          terraformVersion: 1.8.3
+          terraformVersion: 1.8.5
           mode: auto-approve-apply
           stackName: my-stack
           terraformCloudToken: ${{ secrets.TF_API_TOKEN }}
@@ -153,7 +153,7 @@ jobs:
         uses: hashicorp/terraform-cdk-action@v4
         with:
           cdktfVersion: 0.20.7
-          terraformVersion: 1.8.3
+          terraformVersion: 1.8.5
           mode: synth-only
           stackName: my-stack
 ```