bump validate action versions

Author: dmlemos

.github/workflows/validate.yml

@@ -19,7 +19,12 @@ jobs:
       uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
     - name: Install terraform and dependencies
-      uses: alphagov/gds-github-workflows/terraform/deps@c055830bd101a2a3b9d08fba7777473c69a3af49 # v0.1.4
+      uses: alphagov/gds-github-workflows/terraform/deps@47ffdc3007aef6b4857115b97135ed8b7b7c18ca # v0.1.7
+      with:
+        terraform-docs-version: 'v0.20.0'
+        terraform-docs-sha256: |
+          2fdd81b8d21ff1498cd559af0dcc5d155835f84600db06d3923e217124fc735a
+          35b2e6846268841484e6eea7d00d7dfe2c94b4725e52cfe19aa6c26a86c32edc
 
     - name: Run pre-commit
-      uses: alphagov/gds-github-workflows/pre-commit@c055830bd101a2a3b9d08fba7777473c69a3af49 # v0.1.3
+      uses: alphagov/gds-github-workflows/pre-commit@0887a2b5712cf4e192ca4340f7c494606672a6bf # v0.1.6