refator(backend-common): extract path utilities to plugin api

Signed-off-by: Camila Belo <camilaibs@gmail.com>

plugins/techdocs-node/src/helpers.ts

@@ -14,7 +14,8 @@
  * limitations under the License.
  */
 
-import { resolveSafeChildPath, UrlReader } from '@backstage/backend-common';
+import { UrlReader } from '@backstage/backend-common';
+import { resolveSafeChildPath } from '@backstage/backend-plugin-api';
 import {
   Entity,
   getEntitySourceLocation,

plugins/techdocs-node/src/stages/generate/helpers.ts

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import { isChildPath } from '@backstage/backend-common';
+import { isChildPath } from '@backstage/backend-plugin-api';
 import { Entity } from '@backstage/catalog-model';
 import { assertError, ForwardedError } from '@backstage/errors';
 import { ScmIntegrationRegistry } from '@backstage/integration';

plugins/techdocs-node/src/stages/publish/local.ts

@@ -13,11 +13,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+import { PluginEndpointDiscovery } from '@backstage/backend-common';
 import {
-  PluginEndpointDiscovery,
   resolvePackagePath,
   resolveSafeChildPath,
-} from '@backstage/backend-common';
+} from '@backstage/backend-plugin-api';
 import {
   Entity,
   CompoundEntityRef,