Add workflow_dispatch event trigger to full sync CI

[Jouzo]

What kind of PR is this?:

/kind feature

What this PR does / why we need it:

• Add workflow_dispatch event trigger.
• Adds optional block_ranges inputs to restrict sync to specific block range.
• Fixes set-output deprecation warning.
• Speed up snapshot download step with aria2.

Which issue(s) does this PR fixes?:

Fixes https://github.com/DeFiCh/team/issues/4

Additional comments?:

Can be triggered via Github GUI or Github CLI:

• To sync <ref_branch> on block range 750000-80000,

gh workflow run "Full Sync Tests" --field block_ranges="750000" --ref <ref_branch>

• To sync <ref_branch> on block range 750000-80000, 850000-900000, 1000000-1050000

gh workflow run "Full Sync Tests" --field block_ranges="750000 850000 1000000" --ref <ref_branch>

• To sync all block ranges on default branch master :

gh workflow run "Full Sync Tests"