Fix "delcare_ok" typo

[julianbraha]

Changes delcare_ok to declare_ok

[codecov[bot]]

Codecov Report

Merging #107 (e1c3856) into main (0a9c635) will decrease coverage by 0.12%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #107      +/-   ##
==========================================
- Coverage   85.38%   85.26%   -0.12%     
==========================================
  Files          40       40              
  Lines        6286     6284       -2     
==========================================
- Hits         5367     5358       -9     
- Misses        919      926       +7     

Files Changed	Coverage Δ
amqprs/src/api/channel/queue.rs	68.96% <100.00%> (ø)

... and 4 files with indirect coverage changes

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[gftea]

thanks @julianbraha