enhance: add context to scm

[plyr4]

continuing the efforts started in #898 #922 #923 #930 #937 #938 #941 #942 #950 #951

this is prep to add support for OpenTelemetry tracing.

the reason being, otel can (for the most part) work out of the box if you pass around contexts properly.

[codecov]

Codecov Report

Merging #969 (4d42413) into main (76971f6) will not change coverage.
The diff coverage is 61.01%.

@@           Coverage Diff           @@
##             main     #969   +/-   ##
=======================================
  Coverage   70.97%   70.97%           
=======================================
  Files         312      312           
  Lines       12922    12922           
=======================================
  Hits         9172     9172           
  Misses       3285     3285           
  Partials      465      465           

Files Changed	Coverage Δ
api/build/create.go	0.00% <0.00%> (ø)
api/build/get_id.go	0.00% <0.00%> (ø)
api/build/list_org.go	0.00% <0.00%> (ø)
api/build/restart.go	0.00% <0.00%> (ø)
api/build/update.go	0.00% <0.00%> (ø)
database/pipeline/pipeline.go	51.72% <ø> (-1.61%)	⬇️
scm/github/github.go	100.00% <ø> (ø)
router/middleware/perm/perm.go	59.12% <36.36%> (+0.09%)	⬆️
scm/github/repo.go	76.99% <76.92%> (ø)
database/build/list_deployment.go	78.57% <100.00%> (ø)
... and 8 more

[wass3rw3rk]

[KellyMerrick]

context.TODO(lgtm)