Apply suggestions from code review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: MaxymVlasov

hooks/terraform_docs.sh

@@ -207,7 +207,7 @@ function terraform_docs {
     #
     if $create_if_not_exist && [[ ! -f "$output_file" ]]; then
       dir_have_tf_files="$(
-        find . -maxdepth 1 -type f | sed 's|.*\.||' | sort -u | grep -oE '^tf$|^tofu$|^tfvars$' ||
+        find . -maxdepth 1 \( -name '*.tf' -o -name '*.tofu' -o -name '*.tfvars' \) ||
           exit 0
       )"
 

hooks/terraform_wrapper_module_for_each.sh

@@ -312,7 +312,7 @@ EOF
 
     # Read content of all terraform files
     # shellcheck disable=SC2207
-    all_tf_content=$(find "${full_module_dir}" -regex '.*\.(tf|tofu)' -maxdepth 1 -type f -exec cat {} +)
+    all_tf_content=$(find "${full_module_dir}" \( -name '*.tf' -o -name '*.tofu' \) -maxdepth 1 -type f -exec cat {} +)
 
     if [[ ! $all_tf_content ]]; then
       common::colorify "yellow" "Skipping ${full_module_dir} because there are no .tf or .tofu files."