[Feature] Point dependabot to staging

[damirka]

Follow up on #1481. Repeats it with master.

[codecov]

Codecov Report

Merging #1501 (bce957e) into master (a83492a) will increase coverage by 0.04%.
The diff coverage is 25.00%.

@@            Coverage Diff             @@
##           master    #1501      +/-   ##
==========================================
+ Coverage   79.34%   79.38%   +0.04%     
==========================================
  Files         413      413              
  Lines       17500    17498       -2     
==========================================
+ Hits        13885    13891       +6     
+ Misses       3615     3607       -8     

Impacted Files	Coverage Δ
leo/logger.rs	47.91% <25.00%> (ø)
parser/src/parser/expression.rs	90.86% <0.00%> (-0.05%)	⬇️
compiler/src/phases/reducing_director.rs	83.97% <0.00%> (+0.47%)	⬆️
asg/src/const_value.rs	60.69% <0.00%> (+0.49%)	⬆️
ast/src/statements/iteration.rs	53.33% <0.00%> (+6.66%)	⬆️
ast/src/expression/ternary.rs	81.81% <0.00%> (+9.09%)	⬆️
leo/commands/deploy.rs	27.27% <0.00%> (+9.09%)	⬆️
ast/src/statements/expression.rs	44.44% <0.00%> (+11.11%)	⬆️
ast/src/statements/console/console_statement.rs	44.44% <0.00%> (+11.11%)	⬆️

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