Update labels for Hacktoberfest 2021.
- name: java
desccription: Pull requests that update Maven Java dependencies
color: b6b6b6
+- name: javascript
+ desccription: Pull requests that update Node Javascript dependencies
+ color: b6b6b6
- name: github_actions
desccription: Pull requests that update Github Actions code
color: 909090
+- name: hacktoberfest
+ desccription: Pull requests that participate in Hacktoberfest 2021
+ color: 7057ff
