chore: use next-7 tag instead of next tag for 7x version during npm publish (#8164)

Co-authored-by: Dzianis Dashkevich <ddashkevich@brightcove.com>

Author: dzianis-dashkevich

.github/workflows/release.yml

@@ -37,7 +37,7 @@ jobs:
 
       # publish runs build for us via a prepublishOnly script
       - name: npm release
-        run: npm publish --tag next
+        run: npm publish --tag next-7
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}