db: rename enterprise/internal/db package to enterprise/internal/database

Created by: asdine

Context: https://sourcegraph.slack.com/archives/C07KZF47K/p1611315574035000

Created by: sourcegraph-bot

Notifying subscribers in CODENOTIFY files for diff c293f390b32c275b57d26728ee6248096c94a1d3...0ef2a68abcfdfa54228fc13fc8e9acb22be12fda.

Notify	File(s)
@LawnGnome	enterprise/internal/campaigns/testing/mock_repo_perms.go
@eseliger	enterprise/internal/campaigns/testing/mock_repo_perms.go
@unknwon	enterprise/cmd/frontend/authz/authz.go enterprise/cmd/frontend/internal/authz/resolvers/resolver.go enterprise/cmd/frontend/internal/authz/resolvers/resolver_test.go enterprise/cmd/repo-updater/authz/integration_test.go enterprise/cmd/repo-updater/authz/perms_syncer.go enterprise/cmd/repo-updater/authz/perms_syncer_test.go enterprise/cmd/repo-updater/main.go

Created by: codecov[bot]

Codecov Report

Merging #17629 (0ef2a68) into main (c293f39) will increase coverage by 0.01%. The diff coverage is n/a.

@@            Coverage Diff             @@
##             main   #17629      +/-   ##
==========================================
+ Coverage   51.53%   51.55%   +0.01%     
==========================================
  Files        1717     1717              
  Lines       85381    85381              
  Branches     7761     7714      -47     
==========================================
+ Hits        44005    44016      +11     
+ Misses      37501    37489      -12     
- Partials     3875     3876       +1     

Flag	Coverage Δ
go	50.41% <ø> (+<0.01%)
integration	30.74% <ø> (+<0.01%)
storybook	30.66% <ø> (+0.04%)
typescript	54.28% <ø> (+0.02%)
unit	34.59% <ø> (ø)

Impacted Files	Coverage Δ
.../cmd/frontend/internal/authz/resolvers/resolver.go	63.68% <ø> (ø)
enterprise/cmd/repo-updater/authz/perms_syncer.go	42.85% <ø> (ø)
enterprise/internal/database/authz.go	72.00% <ø> (ø)
enterprise/internal/database/external_services.go	100.00% <ø> (ø)
enterprise/internal/database/perms_store.go	78.81% <ø> (ø)
client/web/src/settings/SettingsFile.tsx	71.73% <0.00%> (+1.08%)
...nal/campaigns/resolvers/changeset_apply_preview.go	65.92% <0.00%> (+1.48%)
.../internal/codeintel/resolvers/graphql/locations.go	85.56% <0.00%> (+2.06%)
client/shared/src/search/query/providers.ts	62.06% <0.00%> (+20.68%)