* Use RVV spec 0.7.1 for C906.

* Fix code style issue.

* Update convolution_sgemm_packn_fp16s.h

RVV_SPEC_0_7 update

* apply code-format changes

Co-authored-by: Zhang Xianyi <xianyi@perfxlab.com>
Co-authored-by: yaobyPerfxlab <yaobyPerfxlab@users.noreply.github.com>

* arm neon optimization for requantize leakyrelu

* add missing changes

* Update test_requantize.cpp

* more test coverage

* chore(examples): add YOLOX to ncnn examples

* fix(example): make C++98 happy

* apply code-format changes

* fix(example): fix #287 in yolox

* fix(example): make C++98 happy again

* apply code-format changes

Co-authored-by: FateScript <FateScript@users.noreply.github.com>

* Update README.md

* Update how-to-build.md

* Update README.md

* Update README.md

Bumps [styfle/cancel-workflow-action](https://github.com/styfle/cancel-workflow-action) from 0.9.0 to 0.9.1.
- [Release notes](https://github.com/styfle/cancel-workflow-action/releases)
- [Commits](https://github.com/styfle/cancel-workflow-action/compare/0.9.0...0.9.1)

---
updated-dependencies:
- dependency-name: styfle/cancel-workflow-action
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 2.0.1 to 2.0.2.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/master/CHANGELOG.md)
- [Commits](https://github.com/codecov/codecov-action/compare/v2.0.1...v2.0.2)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* RVV optimized HardSwish, with fp16 support

* RVV optimized HardSigmoid, with fp16 support

* apply code-format changes

Co-authored-by: thelastlin <thelastlin@users.noreply.github.com>

* Update M1 benchmark

* Update openmp installation and use method

* Fixing typo

* And more info about Xcode

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 1.5.2 to 2.0.1.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/master/CHANGELOG.md)
- [Commits](https://github.com/codecov/codecov-action/compare/v1.5.2...v2.0.1)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Co-authored-by: tsuibin <tsuibin@loongson.cn>