prepare for new release: 2021-04-15 (#61)

The following PRs are included:

* hopefully fix crash in constraints (#60)
* [vcpkg] allow --version to check the version (#50)
* Remove baseline warning (#27)
* [git] always pass autocrlf=false (#58)
* ignore QtCreator CMake project files (#54)
* ignore .DS_store files (#53)
* [vcpkg] x-add-version now also checks if the manifest file is properly formatted (#43)
* hopefully fix ci issue #16773 (#34)
* Add docs to set VCPKG_ROOT to run tests (#45)
* [vcpkg] x-add-version improve speed by calling get_builtin_baseline only once (#44)
* add clang-format version to format-cxxcode (#41)
* [vcpkg] Introduce experimental workaround X_VCPKG_NUGET_ID_PREFIX (#40)
* [supports] Add `native` identifier expression and x-check-support command (#29)
* [metrics] Split reporting of installs into name:triplet (#39)
* [vcpkg] Improve error when accessing missing feature (#38)
* [vcpkg] Allow shallow git registries (#37)
* Disable git autocrlf when archiving tree (#36)
* Use only named packages from extra registries (#35)
* [registries] add metrics (#30)
* Add vcpkg policy cmake helper port support (#17)
* [osx] add support for rosetta (#23)
* don't build tls12-download unless it's needed (#33)
* Add new telemetry points for versioning (#21)
* add cmake_minimum_required to vcpkg_tags (#25)
* [x-add-versions] Perform atomic replacement of versioning files (#28)
* [tools] support gsutil (#19)
* add CUDA 11.1 and 11.2 to KEEP_ENV_VARS defaults (#26)
* Add finite timeout on CURL metrics endpoint. (#22)
* fix UB in make_error_code(utf8_errc) (#18)

CMakeLists.txt

@@ -87,7 +87,7 @@ if(NOT DEFINED VCPKG_VERSION OR VCPKG_VERSION STREQUAL "")
     set(VCPKG_VERSION "unknownhash")
 endif()
 
-set(VCPKG_BASE_VERSION "2021-01-13")
+set(VCPKG_BASE_VERSION "2021-04-15")
 
 set(CMAKE_CXX_EXTENSIONS OFF)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)