Resolve go.sum error when install gojq

[MrAlias]

Fix error when trying to install gojq:

$ make tools
cd ./internal/tools && \
go build -o /home/tyler/go/src/go.opentelemetry.io/otel/.tools/gojq github.com/itchyny/gojq/cmd/gojq
/home/tyler/go/pkg/mod/github.com/itchyny/gojq@v0.12.5/cli/cli.go:13:2: missing go.sum entry for module providing package github.com/itchyny/go-flags (imported by github.com/itchyny/gojq/cli); to add:
	go get github.com/itchyny/gojq/cli@v0.12.5
make: *** [Makefile:40: /home/tyler/go/src/go.opentelemetry.io/otel/.tools/gojq] Error 1

[codecov]

Codecov Report

Merging #2316 (ad875c3) into main (059b27a) will decrease coverage by 0.0%.
The diff coverage is n/a.

@@           Coverage Diff           @@
##            main   #2316     +/-   ##
=======================================
- Coverage   72.6%   72.6%   -0.1%     
=======================================
  Files        172     172             
  Lines      11917   11917             
=======================================
- Hits        8660    8658      -2     
- Misses      3023    3025      +2     
  Partials     234     234             

Impacted Files	Coverage Δ
exporters/jaeger/jaeger.go	93.4% <0.0%> (-0.9%)	⬇️