COMP: Bump ITK version to 2021-03-14 master

Address CI build errors on Windows.

Author: thewtex

.github/workflows/build-test-publish.yml

@@ -13,17 +13,17 @@ jobs:
           - os: ubuntu-18.04
             c-compiler: "gcc"
             cxx-compiler: "g++"
-            itk-git-tag: "v5.2rc03"
+            itk-git-tag: "3f6c15eb531cecbd7de1b5ddd8667d5978493344"
             cmake-build-type: "MinSizeRel"
           - os: windows-2019
             c-compiler: "cl.exe"
             cxx-compiler: "cl.exe"
-            itk-git-tag: "v5.2rc03"
+            itk-git-tag: "3f6c15eb531cecbd7de1b5ddd8667d5978493344"
             cmake-build-type: "Release"
           - os: macos-10.15
             c-compiler: "clang"
             cxx-compiler: "clang++"
-            itk-git-tag: "v5.2rc03"
+            itk-git-tag: "3f6c15eb531cecbd7de1b5ddd8667d5978493344"
             cmake-build-type: "MinSizeRel"
 
     steps:

CMakeLists.txt

@@ -80,7 +80,7 @@ endif()
 if(NOT ITK_VERSION)
   # To get the ITK version information from external package when building
   # stand alone, ITK is required.
-  find_package(ITK 5.1.0 REQUIRED)
+  find_package(ITK 5.2.0 REQUIRED)
 endif()
 set(ITKExamples_VERSION_MAJOR ${ITK_VERSION_MAJOR})
 set(ITKExamples_VERSION_MINOR ${ITK_VERSION_MINOR})

Superbuild/External-ITK.cmake

@@ -2,7 +2,7 @@
 # Get and build itk
 
 if(NOT ITK_TAG)
-  set(ITK_TAG "v5.2rc03")
+  set(ITK_TAG "3f6c15eb531cecbd7de1b5ddd8667d5978493344")
 endif()
 
 set(_vtk_args)