chore: update update-nextcloud-openapi workflow

chore: update update-nextcloud-openapi workflow

- adjust to using branch matrix

- deduplicate 'server checkout' step

- remove patch (local workflow, redundant)

- add stable34 to matrix

Assisted-by: ClaudeCode:claude-opus-4-8

Signed-off-by: Maksim Sukharev <antreesy.web@gmail.com>

[skip ci]

Author: Antreesy

.github/workflows/update-nextcloud-openapi.yml

@@ -73,15 +73,18 @@ jobs:
         if: steps.checkout.outcome == 'success'
         run: npm i -g 'npm@${{ steps.versions.outputs.npmVersion }}'
 
-      - name: Install dependencies & generate types
+      - name: Install dependencies
         if: steps.checkout.outcome == 'success'
         working-directory: apps/${{ env.APP_NAME }}
         env:
           CYPRESS_INSTALL_BINARY: 0
           PUPPETEER_SKIP_DOWNLOAD: true
-        run: |
-          npm ci
-          npm run ts:generate-core-types --if-present
+        run: npm ci
+
+      - name: Generate types
+        if: steps.checkout.outcome == 'success'
+        working-directory: apps/${{ env.APP_NAME }}
+        run: npm run ts:generate-core-types
 
       - name: Create Pull Request
         if: steps.checkout.outcome == 'success'