chore(ci): use OIDC token

Author: not-matthias

.github/workflows/ci.yml

@@ -6,6 +6,10 @@ on:
   pull_request:
   workflow_dispatch:
 
+permissions:
+  contents: read
+  id-token: write
+
 jobs:
   lint:
     runs-on: ubuntu-latest
@@ -90,7 +94,6 @@ jobs:
         with:
           mode: ${{ matrix.codspeed-mode }}
           run: examples/google_benchmark_cmake/build/benchmark_example
-          token: ${{ secrets.CODSPEED_TOKEN }}
 
   bazel-integration-tests:
     strategy:
@@ -130,7 +133,6 @@ jobs:
         with:
           mode: ${{ matrix.codspeed-mode }}
           run: bazel run //examples/google_benchmark_bazel:my_benchmark --@codspeed_core//:codspeed_mode=${{ matrix.codspeed-mode }} --@codspeed_core//:strict_warnings=on
-          token: ${{ secrets.CODSPEED_TOKEN }}
 
   cmake-build:
     strategy: