Fix link for announcing release.

[antoniovilela]

@smuzaffar @iarspider @cms-sw/orp-l2

Not very important, but whenever you have the time, would you know how to fix the link, directing to CMSTalk, to announce the release that appears with the announcement template, as in (*) below? It seems to be possible, using the Discourse API?
Thanks.

(*)
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[cmsbuild]

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[cmsbuild]

A new Issue was created by @antoniovilela.

@Dr15Jones, @antoniovilela, @makortel, @mandrenguyen, @rappoccio, @sextonkennedy, @smuzaffar can you please review it and eventually sign/assign? Thanks.

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[iarspider]

@antoniovilela yes, I think it's possible: link. I will look into it.