Update token for BCR release to reuse existing BOT_ACCESS_TOKEN used for staleness_refresh.yml and update_php_repo.yml

PiperOrigin-RevId: 817747389

.github/workflows/publish_to_bcr.yaml

diff --git a/.github/workflows/publish_to_bcr.yaml b/.github/workflows/publish_to_bcr.yaml
index d20dc19..84fdbb8 100644
--- a/.github/workflows/publish_to_bcr.yaml
+++ b/.github/workflows/publish_to_bcr.yaml
@@ -10,7 +10,7 @@
         type: string
     secrets:
       # This token should be owned by https://github.com/protobuf-team-bot
-      BCR_PUBLISH_TOKEN:
+      BOT_ACCESS_TOKEN:
         required: true
   # In case of problems, let release engineers retry by manually dispatching
   # the workflow from the GitHub UI
@@ -33,4 +33,4 @@
       id-token: write
     secrets:
       # Necessary to push to the BCR fork, and to open a pull request against a registry
-      publish_token: ${{ secrets.BCR_PUBLISH_TOKEN }}
+      publish_token: ${{ secrets.BOT_ACCESS_TOKEN }}

.github/workflows/release_bazel_module.yaml

diff --git a/.github/workflows/release_bazel_module.yaml b/.github/workflows/release_bazel_module.yaml
index 86e8889..d0e1863 100644
--- a/.github/workflows/release_bazel_module.yaml
+++ b/.github/workflows/release_bazel_module.yaml
@@ -30,4 +30,4 @@
     with:
       tag_name: ${{ inputs.tag_name }}
     secrets:
-      BCR_PUBLISH_TOKEN: ${{ secrets.BCR_PUBLISH_TOKEN }}
+      BOT_ACCESS_TOKEN: ${{ secrets.BOT_ACCESS_TOKEN }}