Validate consistency of rendering outputs (#5055)

# Description

Added consistency validation to the camera outputs in
``test_rendering_correctness.py``.

## Type of change

- New test

## Checklist

- [x] I have read and understood the [contribution
guidelines](https://isaac-sim.github.io/IsaacLab/main/source/refs/contributing.html)
- [x] I have run the [`pre-commit` checks](https://pre-commit.com/) with
`./isaaclab.sh --format`
- [x] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [x] I have added tests that prove my fix is effective or that my
feature works
- [x] I have updated the changelog and the corresponding version in the
extension's `config/extension.toml` file
- [x] I have added my name to the `CONTRIBUTORS.md` or my name already
exists there

Author: huidongc

.github/workflows/build.yaml

@@ -186,7 +186,8 @@ jobs:
           test_hydra.py,
           test_rl_device_separation.py,
           test_cartpole_showcase_environments_with_stage_in_memory.py,
-          test_environments_with_stage_in_memory.py
+          test_environments_with_stage_in_memory.py,
+          test_rendering_correctness.py
 
     - name: Upload IsaacLab Tasks 2 Test Results
       uses: actions/upload-artifact@v4

source/isaaclab_tasks/config/extension.toml

@@ -1,7 +1,7 @@
 [package]
 
 # Note: Semantic Versioning is used: https://semver.org/
-version = "1.5.12"
+version = "1.5.13"
 
 # Description
 title = "Isaac Lab Environments"