Fix typo on go install command

[HMasataka]

No description provided.

[codecov]

Codecov Report

Merging #332 (ca08b8d) into main (4a59f45) will decrease coverage by 0.06%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #332      +/-   ##
==========================================
- Coverage   66.73%   66.66%   -0.07%     
==========================================
  Files          26       26              
  Lines        4350     4350              
==========================================
- Hits         2903     2900       -3     
- Misses       1157     1159       +2     
- Partials      290      291       +1     

Impacted Files	Coverage Δ
datasource/datasource.go	40.14% <0.00%> (-2.12%)	⬇️

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[k1LoW]

@HMasataka Thank you !