hdrhistogram-c: add version 0.11.6

[toge]

Specify library name and version: hdrhistogram-c/*

• add version 0.11.6
• use add_subdirectory in test_v1_package
• use rm_safe

---

• I've read the contributing guidelines.
• I've used a recent Conan client version close to the currently deployed.
• I've tried at least one configuration locally with the conan-center hook activated.

[github-actions]

Hooks produced the following warnings for commit 2cc41bd

hdrhistogram-c/0.11.6

post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libhdr_histogram.so' links to system library 'pthread' but it is not in cpp_info.system_libs.

[conan-center-bot]

Conan v1 pipeline ✔️

All green in build 3 (a5da30ac50ae4b0f1bff65df6b2d7e66d3470816):

• hdrhistogram-c/0.11.1@:
  All packages built successfully! (All logs)

• hdrhistogram-c/0.11.6@:
  All packages built successfully! (All logs)

• hdrhistogram-c/0.11.0@:
  All packages built successfully! (All logs)