Move ComponentDocs test to internal/common and go mod tidy

[james-bebbington]

No description provided.

[bogdandrutu]

I would keep in in internal not internal/common. The reason is that we probably want this to not be included in the deps if someone depends on the internal/common (different go mod/sum)

[codecov]

Codecov Report

Merging #415 into master will increase coverage by 0.91%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #415      +/-   ##
==========================================
+ Coverage   83.72%   84.64%   +0.91%     
==========================================
  Files         176      174       -2     
  Lines        9360     9365       +5     
==========================================
+ Hits         7837     7927      +90     
+ Misses       1210     1115      -95     
- Partials      313      323      +10     

Flag	Coverage Δ
#integration	71.09% <ø> (?)
#unit	84.44% <ø> (+0.71%)	⬆️

Impacted Files	Coverage Δ
cmd/otelcontribcol/components.go
cmd/otelcontribcol/main.go
cmd/otelcontribcol/main_others.go
internal/common/testing/container/container.go	73.80% <0.00%> (ø)
receiver/redisreceiver/factory.go	40.00% <0.00%> (+40.00%)	⬆️
receiver/redisreceiver/receiver.go	89.47% <0.00%> (+89.47%)	⬆️
receiver/redisreceiver/client.go	100.00% <0.00%> (+100.00%)	⬆️

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