Correct c-blosc2 address error

Author: Luke Shaw

CMakeLists.txt

@@ -49,7 +49,8 @@ else()
     set(BLOSC_INSTALL ON)
     include(FetchContent)
     FetchContent_Declare(blosc2
-        SOURCE_DIR /home/lshaw/c-blosc2 # beta trials, should be changed for commits
+        GIT_REPOSITORY https://github.com/Blosc/c-blosc2
+        GIT_TAG abb9cd973c2d2d2d068e13934641dcbdedb06752  # v2.19.0 (expand_dims added)
     )
     FetchContent_MakeAvailable(blosc2)
     include_directories("${blosc2_SOURCE_DIR}/include")