chore(lint): Add exceptions for dbfs_model and unittest (#10275)

Thanks a lot to @floss4good who pointed this out in the comments of
#10253!

Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/10275
Reviewed-by: Gusted <gusted@noreply.codeberg.org>
Reviewed-by: floss4good <floss4good@noreply.codeberg.org>
Co-authored-by: nachtjasmin <nachtjasmin@posteo.de>
Co-committed-by: nachtjasmin <nachtjasmin@posteo.de>

.golangci.yml

@@ -50,36 +50,20 @@ linters:
     importas:
       alias:
         # Specific overrides that would violate the default rules further below.
-        - pkg: forgejo.org/models/actions
-          alias: actions_model
-        - pkg: forgejo.org/models/activities
-          alias: activities_model
         - pkg: forgejo.org/models/db
           alias: ""
-        - pkg: forgejo.org/models/issues
-          alias: issues_model
         - pkg: forgejo.org/models/organization
           alias: org_model
-        - pkg: forgejo.org/models/packages
-          alias: packages_model
 
-        - pkg: forgejo.org/services/actions
-          alias: actions_service
         - pkg: forgejo.org/services/context
           alias: app_context
         - pkg: forgejo.org/services/doctor
           alias: doctor
-        - pkg: forgejo.org/services/packages
-          alias: packages_service
         - pkg: forgejo.org/services/repository
           alias: repo_service
 
         # Make sure that we follow a consistent naming for model and service aliases.
-        # The \w+? syntax is the RE2 syntax for: one or more \w, prefer fewer
-        #
-        # It's used to make sure that if the model has a plural name, e.g. "issues", it's imported with the singular
-        # name (e.g. "issue") nonetheless.
-        - pkg: 'forgejo.org/(model|service)s/(\w+?)s?'
+        - pkg: 'forgejo.org/(model|service)s/(\w+)'
           alias: '${2}_${1}'
 
     revive: