Fix-377/upgrade-button

[nir2002]

Changes Proposed

Just a minor fix for the upgrade button to be open in a new tab

Check List

• [x] The title of my pull request is a short description of the changes
• [x] This PR relates to some issue: Closes #999
• [ ] I have documented the changes made (if applicable)
• [ ] I have covered the changes with unit tests

[codecov-commenter]

Codecov Report

Patch coverage has no change and project coverage change: -0.16 :warning:

Comparison is base (4e2d318) 30.09% compared to head (d676e62) 29.94%.

:exclamation: Your organization is not using the GitHub App Integration. As a result you may experience degraded service beginning May 15th. Please install the Github App Integration for your organization. Read more.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #378 +/- ## ========================================== - Coverage 30.09% 29.94% -0.16% ========================================== Files 10 10 Lines 1329 1336 +7 ========================================== Hits 400 400 - Misses 890 896 +6 - Partials 39 40 +1 ``` | [Impacted Files](https://app.codecov.io/gh/komodorio/helm-dashboard/pull/378?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=komodorio) | Coverage Δ | | |---|---|---| | [pkg/dashboard/api.go](https://app.codecov.io/gh/komodorio/helm-dashboard/pull/378?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=komodorio#diff-cGtnL2Rhc2hib2FyZC9hcGkuZ28=) | `58.49% <0.00%> (-2.70%)` | :arrow_down: |

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Do you have feedback about the report comment? Let us know in this issue.