repo-tools: update knip to detect dependencies in new dev pattern

Signed-off-by: Hope Hadfield <hhadfiel@redhat.com>

.changeset/breezy-times-ring.md

@@ -0,0 +1,5 @@
+---
+'@backstage/repo-tools': patch
+---
+
+Updated knip-reports to detect dependencies in dev/alpha pattern

packages/repo-tools/src/commands/knip-reports/knip-extractor.ts

@@ -58,7 +58,7 @@ async function generateKnipConfig({ knipConfigPath }: KnipConfigOptions) {
     workspaces: {
       '.': {},
       '{packages,plugins}/*': {
-        entry: ['dev/index.{ts,tsx}', 'src/index.{ts,tsx}'],
+        entry: ['dev/**/*.{ts,tsx}', 'src/index.{ts,tsx}'],
         ignore: [
           '.eslintrc.js',
           'config.d.ts',