octomap: add 1.9.6 + fix build with ninja generator

[SpaceIm]

Specify library name and version: octomap/all

• I've read the guidelines for contributing.
• I've followed the PEP8 style guides for Python code in the recipes.
• I've used the latest Conan client version.
• I've tried at least one configuration locally with the
  conan-center hook activated.

[SpaceIm]

I had to introduce these patches because OUTPUT_NAME collides between shared and static libs with ninja generator (multiple rules for the same name).

[conan-center-bot]

All green in build 4 (4e73c1196e8798799621cabea377245234a70830)! 😊

• octomap/1.9.6: Generated 133 packages. All logs here
• octomap/1.9.5: Generated 133 packages. All logs here
• octomap/1.9.3: Generated 133 packages. All logs here