refactor: prefer printf instead of echo -n

[skip ci]

Author: php-coder

.github/workflows/provision-by-terraform.yml

@@ -77,7 +77,7 @@ jobs:
           # https://docs.github.com/en/actions/security-guides/encrypted-secrets#using-encrypted-secrets-in-a-workflow
           VAULT_PASSWORD: ${{ secrets.VAULT_PASSWORD }}
         run: |
-          echo -n "$VAULT_PASSWORD" >vault-pass.txt
+          printf '%s' "$VAULT_PASSWORD" >vault-pass.txt
 
           for FILENAME in terraform.tfstate terraform.tfvars; do
             echo "Decrypting ${FILENAME}.enc to $FILENAME"

src/main/scripts/ci/deploy.sh

@@ -36,7 +36,7 @@ if [ -z "${VAULT_PASSWORD:-}" ]; then
 	exit 1
 fi
 
-echo -n "$VAULT_PASSWORD" >"$PASS_FILE"
+printf '%s' "$VAULT_PASSWORD" >"$PASS_FILE"
 
 for FILE in "$PRIVATE_KEY" "$VARS_FILE"; do
 	FILENAME="$(basename "$FILE")"