minor #3174 [CI] Adapt Release on NPM workflow for 3.x (Kocal)

This PR was merged into the 3.x branch.

Discussion
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[CI] Adapt `Release on NPM` workflow for 3.x

| Q              | A
| -------------- | ---
| Bug fix?       | no
| New feature?   | no <!-- please update src/**/CHANGELOG.md files -->
| Deprecations?  | no <!-- if yes, also update UPGRADE-*.md and src/**/CHANGELOG.md -->
| Documentation? | no <!-- required for new features, or documentation updates -->
| Issues         | Fix #... <!-- prefix each issue number with "Fix #", no need to create an issue if none exist, explain below instead -->
| License        | MIT

<!--
Replace this notice by a description of your feature/bugfix.
This will help reviewers and should be a good start for the documentation.

Additionally (see https://symfony.com/releases):
 - Always add tests and ensure they pass.
 - For new features, provide some code snippets to help understand usage.
 - Features and deprecations must be submitted against branch main.
 - Update/add documentation as required (we can help!)
 - Changelog entry should follow https://symfony.com/doc/current/contributing/code/conventions.html#writing-a-changelog-entry
 - Never break backward compatibility (see https://symfony.com/bc).
-->

Close #2760

Commits
-------

d21ab7b [CI] Adapt `Release on NPM` workflow for 3.x

Author: Kocal

.github/workflows/release-on-npm.yaml

@@ -3,7 +3,7 @@ name: Release on NPM
 on:
   push:
     tags:
-        - 'v2.*.*'
+        - 'v3.*.*'
 
 permissions:
     id-token: write  # Required for OIDC
@@ -15,7 +15,7 @@ jobs:
         steps:
           - uses: actions/checkout@v4
             with:
-              ref: 2.x
+              ref: 3.x
 
           - name: Configure Git
             run: |
@@ -56,4 +56,4 @@ jobs:
           - name: Push changes
             env:
               GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-            run: git push origin 2.x
+            run: git push origin 3.x