Bump peter-evans/create-pull-request from 6.0.3 to 6.0.4

Bumps [peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request) from 6.0.3 to 6.0.4.
- [Release notes](https://github.com/peter-evans/create-pull-request/releases)
- [Commits](peter-evans/create-pull-request@c55203c...9153d83)

---
updated-dependencies:
- dependency-name: peter-evans/create-pull-request
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/autoupdate.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Create Pull Request
         id: cpr
         # This is the v3 tag but for security purposes we pin to the exact commit.
-        uses: peter-evans/create-pull-request@c55203cfde3e5c11a452d352b4393e68b85b4533
+        uses: peter-evans/create-pull-request@9153d834b60caba6d51c9b9510b087acf9f33f83
         with:
           commit-message: "Update mamba version"
           title: "Update mamba version"