Add write permission

Author: haochengxia

.github/workflows/pypi-release.yml

@@ -136,6 +136,8 @@ jobs:
     environment:
       name: testpypi
       url: https://test.pypi.org/p/libcachesim
+    permissions:
+      id-token: write  # IMPORTANT: this permission is mandatory for trusted publishing
 
     steps:
     - name: Download all artifacts

README.md

@@ -1,7 +1,7 @@
 # libCacheSim - building and running cache simulations
 
 [![build](https://github.com/1a1a11a/libCacheSim/actions/workflows/build.yml/badge.svg)](https://github.com/1a1a11a/libCacheSim/actions/workflows/build.yml)
-[![Python-package GitHub Actions Build Status](https://github.com/1a1a11a/libCacheSim/actions/workflows/pypi-release.yml/badge.svg?branch=master)](https://github.com/1a1a11a/libCacheSim/actions/workflows/pypi-release.yml)
+[![Python-package GitHub Actions Build Status](https://github.com/1a1a11a/libCacheSim/actions/workflows/pypi-release.yml/badge.svg)](https://github.com/1a1a11a/libCacheSim/actions/workflows/pypi-release.yml)
 [![Python Versions](https://img.shields.io/pypi/pyversions/libcachesim.svg?logo=python&logoColor=white)](https://pypi.org/project/libcachesim)
 [![PyPI Version](https://img.shields.io/pypi/v/libcachesim.svg?logo=pypi&logoColor=white)](https://pypi.org/project/libcachesim)
 [![OpenSSF Scorecard](https://api.scorecard.dev/projects/github.com/1a1a11a/libCacheSim/badge)](https://scorecard.dev/viewer/?uri=github.com/1a1a11a/libCacheSim)