ci: fix pypi publishing job

Author: foosel

.github/workflows/build.yml

@@ -73,6 +73,11 @@ jobs:
       - pre-commit
       - e2e
     runs-on: ubuntu-latest
+    permissions:
+      id-token: write
+    environment:
+      name: testpypi
+      url: https://test.pypi.org/p/OctoPrint-FileCheck
     steps:
       - name: ⬇ Download build result
         uses: actions/download-artifact@v4
@@ -89,6 +94,11 @@ jobs:
     if: github.event_name == 'release'
     needs: publish-on-testpypi
     runs-on: ubuntu-latest
+    permissions:
+      id-token: write
+    environment:
+      name: pypi
+      url: https://pypi.org/p/OctoPrint-FileCheck
     steps:
       - name: ⬇ Download build result
         uses: actions/download-artifact@v4