fix missing volta command (#58)

#### 📖 Summary

- reload profil

#### 📑 Test Plan

> 💡 Select your test plan for the code changes.

| Choice | Test Method       |
| :----: | :-----------      |
|   ✅   | CI pipeline tests |
|        | Custom test       |
|        | No test plan      |

##### Details / Justification

<!-- Add your test details or justification for missing tests here. -->

#### 📚 Additional Notes

<!-- A place for additional detail notes. -->

Co-authored-by: OCram85 <marco.blessing@googlemail.com>
Reviewed-on: CodeServer/arkanum#58

arkanum

@@ -149,6 +149,8 @@ function instNodeJS2() {
 function instVolta() {
   say "Installing Volta as NodeJS version manager..." "Volta"
   curl -#fSl https://get.volta.sh | bash
+  # shellcheck disable=SC1090
+  source ~/.profile
   say "done." "Volta"
 }