feat(docs): better handling of dependabot updates (#307)

* feat(docs): better handling of dependabot updates

* fix: dependabot via projen

Signed-off-by: Scott Schreckengaust <[email protected]>

* chore: self mutation

Signed-off-by: github-actions <[email protected]>

---------

Signed-off-by: Scott Schreckengaust <[email protected]>
Signed-off-by: github-actions <[email protected]>
Co-authored-by: Scott Schreckengaust <[email protected]>
Co-authored-by: github-actions <[email protected]>

Author: 3 people

.gitattributes

@@ -12,6 +12,7 @@
  */
 import { ProjenStruct, Struct } from '@mrgrain/jsii-struct-builder';
 import { JsonPatch, awscdk } from 'projen';
+import { DependabotScheduleInterval, VersioningStrategy } from 'projen/lib/github';
 import { JobPermission } from 'projen/lib/github/workflows-model';
 import { NpmAccess } from 'projen/lib/javascript';
 import {
@@ -290,4 +291,15 @@ if (postCompile) {
   postCompile.exec('npx typedoc --plugin typedoc-plugin-markdown --out apidocs --readme none --categoryOrder "Namespaces,Classes,Interfaces,*" --disableSources ./src/index.ts');
 }
 
+project.github?.addDependabot({
+  versioningStrategy: VersioningStrategy.LOCKFILE_ONLY,
+  ignoreProjen: false,
+  scheduleInterval: DependabotScheduleInterval.WEEKLY,
+  groups: {
+    ['dev-dependencies']: {
+      patterns: ['*'],
+    },
+  },
+});
+
 project.synth();