Move terraform download to before install section

.travis.yml

@@ -26,6 +26,10 @@ addons:
     organization: bhavikkumar-github
     token:
       secure: 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
+before_install:
+- wget https://releases.hashicorp.com/terraform/${VERSION}/terraform_${VERSION}_linux_amd64.zip
+- unzip -o terraform_${VERSION}_linux_amd64.zip
+- chmod +x terraform
 install:
 - go mod download
 - go build -ldflags="-s -w" -o main main.go
@@ -36,9 +40,6 @@ after_success:
 - sonar-scanner
 - zip cloudwatch-log-destination$TRAVIS_TAG.zip main
 before_deploy:
-- wget https://releases.hashicorp.com/terraform/${VERSION}/terraform_${VERSION}_linux_amd64.zip
-- unzip terraform_${VERSION}_linux_amd64.zip
-- chmod +x terraform
 - ./terraform init -backend-config="bucket=terraform.bhavik.io" -backend-config="region=${AWS_DEFAULT_REGION}"
   -backend-config="dynamodb_table=terraform-state" -backend-config="kms_key_id=${KMS_KEY_ID}"
   -backend-config="role_arn=${ROLE_ARN}" deployment >/dev/null