[pt-br] Sync KubeCon section UI & 2025 links to Portuguese

[shurup]

Following the recent KubeCon links section UI update & content actualisation for 2025 (#49167), I'm applying the same changes to the Portuguese localisation.

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[shurup]

Oh, as I can see now, the last link (KubeCon NA) doesn't fit due to the longer names for months and cities (in Portuguese). I'm elaborating on possible workarounds to address this…

[shurup]

The issue described above should be fixed by #49443. It'll be good to wait for it being merged first and re-deploy this PR then to see the [better] outcome.

[stormqueen1990]

Hello there, @shurup! Thank you very much for the update in this part!

I left a suggestion to update, since the previous version wasn't quite right from a grammatical standpoint.

[stormqueen1990]

Some minor bits:

• In Portuguese, we write the numerical days, followed by a preposition ("de"), then followed by the month name.
• It seems the countries/continents names were missing translations.

Suggested change

	<h3>Participe dos próximos eventos KubeCon + CloudNativeCon</h3>
	<a href="https://events.linuxfoundation.org/kubecon-cloudnativecon-europe/" class="desktopKCButton"><strong>Europe</strong> (Londres, abril 1-4)</a>
	<a href="https://events.linuxfoundation.org/kubecon-cloudnativecon-china/" class="desktopKCButton"><strong>China</strong> (Hong Kong, junho 10-11)</a>
	<a href="https://events.linuxfoundation.org/kubecon-cloudnativecon-japan/" class="desktopKCButton"><strong>Japan</strong> (Tóquio, junho 16-17)</a>
	<a href="https://events.linuxfoundation.org/kubecon-cloudnativecon-india/" class="desktopKCButton"><strong>India</strong> (Haiderabade, agosto 6-7)</a>
	<a href="https://events.linuxfoundation.org/kubecon-cloudnativecon-north-america-2025/" class="desktopKCButton"><strong>North America</strong> (Atlanta, nov. 10-13)</a>
	<h3>Participe dos próximos eventos KubeCon + CloudNativeCon</h3>
	<a href="https://events.linuxfoundation.org/kubecon-cloudnativecon-europe/" class="desktopKCButton"><strong>Europa</strong> (Londres, 1-4 de abril)</a>
	<a href="https://events.linuxfoundation.org/kubecon-cloudnativecon-china/" class="desktopKCButton"><strong>China</strong> (Hong Kong, 10-11 de junho)</a>
	<a href="https://events.linuxfoundation.org/kubecon-cloudnativecon-japan/" class="desktopKCButton"><strong>Japão</strong> (Tóquio, 16-17 de junho)</a>
	<a href="https://events.linuxfoundation.org/kubecon-cloudnativecon-india/" class="desktopKCButton"><strong>Índia</strong> (Haiderabade, 6-7 de agosto)</a>
	<a href="https://events.linuxfoundation.org/kubecon-cloudnativecon-north-america-2025/" class="desktopKCButton"><strong>América do Norte</strong> (Atlanta, 10-13 de novembro)</a>

[shurup]

@stormqueen1990 thanks a lot for your help! I applied (and force-pushed) the correct dates. However, I'd like to keep the countries/continents' names intact, since I consider them a part of the official event name. E.g., it's KubeCon + CloudNativeCon Europe (as it's written on the conference website), etc. Thus, it was intentional and the same was done in other localisations (where I propagated this update) 🙏

[stormqueen1990]

/hold
until #49443 is merged