chore(build): bump node to 14 to support new semantic-release

.travis.yml

@@ -15,10 +15,10 @@ env:
     - GO111MODULE=on
 
 before_install:
-  - nvm install 12
+  - nvm install 14
   - npm install -g [email protected]
   - sudo apt-get update
-  - sudo apt-get install python
+  - pyenv global 3.8
 
 install:
   - curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh| sh -s -- -b $(go env GOPATH)/bin v1.41.1
@@ -33,12 +33,11 @@ after_success:
   - build/publishCodeCoverage.sh
 
 before_deploy:
-  - pip install --user bump2version
-  - nvm install 12
   - npm install @semantic-release/changelog
   - npm install @semantic-release/exec
   - npm install @semantic-release/git
   - npm install @semantic-release/github
+  - pip install --user bump2version
 
 deploy:
   - provider: script