Fix wrong WEBUI_URL since #685

[Sryther]

What type of PR is this?

/kind bug

Any specific area of the project related to this PR?

/area falcosidekick-chart

What this PR does / why we need it:

Wrong WEBUI_URL value since #685.

Example:

# helm template -s templates/secrets.yaml . | yq '.data.WEBUI_URL|@base64d'
http://release-name-falcosidekick-ui:%!s(float64=2802)

Should be:

# helm template -s templates/secrets.yaml . | yq '.data.WEBUI_URL|@base64d'
http://release-name-falcosidekick-ui:2802

Which issue(s) this PR fixes:

Fixes #686

Special notes for your reviewer:

Checklist

• [x] Chart Version bumped
• [x] Variables are documented in the README.md
• [x] CHANGELOG.md updated

[poiana]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Issif, Sryther

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[poiana]

LGTM label has been added.

Git tree hash: 5484eccba593a6e7200d377b0b62b806b9414f49