fix: refactor nightly workflow to use goreleaser pro

[ajnavarro]

Workflows are not triggered if the change was generated by a workflow to avoid loop workflow executions. Changing that to directly trigger a nightly using goreleaser pro.

Contributors' checklist...

• Added new tests, or not needed, or not feasible
• Provided an example (e.g. screenshot) to aid review or the PR is self-explanatory
• Updated the official documentation or not needed
• No breaking changes were made, or a BREAKING CHANGE: xxx message was included in the description
• Added references to related issues and PRs
• Provided any useful hints for running manual tests
• Added new benchmarks to generated graphs, if any. More info here.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 49.01%. Comparing base (e4b39f9) to head (c27c2a2).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2172   +/-   ##
=======================================
  Coverage   49.00%   49.01%           
=======================================
  Files         576      576           
  Lines       77581    77581           
=======================================
+ Hits        38022    38025    +3     
+ Misses      36476    36474    -2     
+ Partials     3083     3082    -1     

Flag	Coverage Δ
contribs/gnodev	24.14% <ø> (ø)
contribs/gnofaucet	15.31% <ø> (ø)
contribs/gnokeykc	0.00% <ø> (ø)
contribs/gnomd	0.00% <ø> (ø)
gno.land	61.69% <ø> (ø)
gnovm	41.94% <ø> (ø)
misc/autocounterd	0.00% <ø> (ø)
misc/genproto	0.00% <ø> (ø)
misc/genstd	73.90% <ø> (ø)
misc/goscan	0.00% <ø> (ø)
misc/logos	17.68% <ø> (ø)
misc/loop	0.00% <ø> (ø)
tm2	54.54% <ø> (-0.05%)	⬇️

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