fix(node16-18): explicitly install npm 8 before install

Signed-off-by: Moises Aaron Guerra Garcia <[email protected]>

Author: moisesatwork

.travis.yml

@@ -14,6 +14,8 @@ before_install:
 - '[ "${TRAVIS_PULL_REQUEST}" == "false" ] && openssl aes-256-cbc -K $encrypted_fc092b9428d6_key -iv $encrypted_fc092b9428d6_iv -in cis.env.enc -out cis.env -d || true'
 - '[ "${TRAVIS_PULL_REQUEST}" == "false" ] && openssl aes-256-cbc -K $encrypted_fb1b85a9795b_key -iv $encrypted_fb1b85a9795b_iv -in cislog.env.enc -out cislog.env -d || true'
 - '[ "${TRAVIS_PULL_REQUEST}" == "false" ] && openssl aes-256-cbc -K $encrypted_89a9eb4f9417_key -iv $encrypted_89a9eb4f9417_iv -in dns.env.enc -out dns.env -d || true'
+- npm i -g npm@8
+- npm --version
 
 script:
 - npm run build