chore(deps): update dependency terraform-docs to v0.20.0

OneGit service account - Renovate · OneGit service account - Renovate · commit 1593a2fdb35c · 2025-04-04T23:37:19.000Z
diff --git a/.tool-versions b/.tool-versions
@@ -1,5 +1,5 @@
 pre-commit      4.2.0
 opentofu        1.9.0
-terraform-docs  0.19.0
+terraform-docs  0.20.0
 tflint          0.56.0
 trivy           0.61.0
