Enhancing Terraform Feature Stability (#657)

* Added fallback method to retrieve cosign version

* Update src/terraform/install.sh
Co-authored-by: Samruddhi Khandale <samruddhikhandale@github.com>

* Remove get_cosign_latest_version function

---------
Co-authored-by: Samruddhi Khandale <samruddhikhandale@github.com>

src/terraform/devcontainer-feature.json

 {
     "id": "terraform",
-    "version": "1.3.3",
+    "version": "1.3.4",
     "name": "Terraform, tflint, and TFGrunt",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/terraform",
     "description": "Installs the Terraform CLI and optionally TFLint and Terragrunt. Auto-detects latest version and installs needed dependencies.",

src/terraform/install.sh

@@ -165,7 +165,8 @@ ensure_cosign() {
 
     if ! type cosign > /dev/null 2>&1; then
         echo "Installing cosign..."
-        local LATEST_COSIGN_VERSION=$(curl https://api.github.com/repos/sigstore/cosign/releases/latest | grep tag_name | cut -d : -f2 | tr -d "v\", ")
+        LATEST_COSIGN_VERSION="latest"
+        find_version_from_git_tags LATEST_COSIGN_VERSION 'https://github.com/sigstore/cosign'
         curl -L "https://github.com/sigstore/cosign/releases/latest/download/cosign_${LATEST_COSIGN_VERSION}_${architecture}.deb" -o /tmp/cosign_${LATEST_COSIGN_VERSION}_${architecture}.deb
         
         dpkg -i /tmp/cosign_${LATEST_COSIGN_VERSION}_${architecture}.deb