pip: bump pybind11 from 3.0.3 to 3.0.4 in /cluster_analytics

Bumps [pybind11](https://github.com/pybind/pybind11) from 3.0.3 to 3.0.4.
- [Release notes](https://github.com/pybind/pybind11/releases)
- [Changelog](https://github.com/pybind/pybind11/blob/master/docs/changelog.md)
- [Commits](pybind/pybind11@v3.0.3...v3.0.4)

---
updated-dependencies:
- dependency-name: pybind11
  dependency-version: 3.0.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

cluster_analytics/requirements-build.txt

@@ -3,6 +3,6 @@
 # This file is licensed under Apache 2.0 License.
 
 # Build-time dependencies with SHA256 hashes for supply chain security
-pybind11==3.0.3 \
-    --hash=sha256:00471cdb816882c484708bc5dde80815c8c11cea540ab2cc6410f5ddea434755 \
-    --hash=sha256:fb5f8e4a64946b4dcc0451c83a8c384f803bc0a62dd1ba02f199e97dbc9aad4c
+pybind11==3.0.4 \
+    --hash=sha256:3286b59c8a774b9ee650169302dd5a4eedc30a8617905a0560dd8ee44775130c \
+    --hash=sha256:961720ee652da51d531b7b2451a6bd2bc042b0106e6d9baa48ecb7d58034ce63