Dependency: Update codec version to 1.1.9

[algobarb]

Summary

Update codec dependency from 1.1.8 to 1.1.9.

Test Plan

I was running into checksum dependency errors on my server:

verifying github.com/algorand/go-codec/codec@v1.1.8: checksum mismatch
	downloaded: h1:RyokOQSEnNCxrngGqC5yrPNoQAGh5osBIKiaeKOe5fg=
	go.sum:     h1:lsFuhcOH2LiEhpBH3BVUUkdevVmwCRyvb7FCAAPeY6U=

SECURITY ERROR
This download does NOT match an earlier download recorded in go.sum.
The bits may have been replaced on the origin server, or an attacker may
have intercepted the download attempt.

After the change, I was able to build as expected.

[onetechnical]

Thanks for this!

[codecov]

Codecov Report

Merging #5395 (02ba130) into master (1425f3f) will decrease coverage by 3.64%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #5395      +/-   ##
==========================================
- Coverage   55.38%   51.74%   -3.64%     
==========================================
  Files         452      452              
  Lines       63685    63685              
==========================================
- Hits        35272    32956    -2316     
- Misses      25994    28261    +2267     
- Partials     2419     2468      +49     

see 125 files with indirect coverage changes

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