Enable build with provenance for nightly (#6890)

## Summary

This PR configures build and publishes with provenance for nightly
package build on npm as described in [Generating provenance
statements](https://docs.npmjs.com/generating-provenance-statements).

## Test plan

See if the CI works.

Author: tomekzaw

.github/workflows/npm-reanimated-package-build.yml

@@ -29,6 +29,9 @@ jobs:
   build:
     if: github.repository == 'software-mansion/react-native-reanimated'
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      id-token: write
     env:
       PACKAGE_NAME: PLACEHOLDER # Will be reassigned later on.
     steps:
@@ -87,7 +90,7 @@ jobs:
         run: mv $PACKAGE_NAME ../../
 
       - name: Publish npm package
-        run: npm publish $PACKAGE_NAME --tag nightly
+        run: npm publish $PACKAGE_NAME --tag nightly --provenance
         if: ${{ inputs.publish_on_npm }}
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NODE_AUTH_TOKEN }}