gdal: Add c-blosc to gdal

* Add blosc compression library to gdal build as it is required to open many .zarr files
* Add test for blosc compression

Formula/g/gdal.rb

@@ -31,6 +31,7 @@ class Gdal < Formula
   depends_on "python-setuptools" => :build
   depends_on "swig" => :build
   depends_on "apache-arrow"
+  depends_on "c-blosc"
   depends_on "cfitsio"
   depends_on "epsilon"
   depends_on "expat"
@@ -128,5 +129,7 @@ def install
     system bin/"ogrinfo", "--formats"
     # Changed Python package name from "gdal" to "osgeo.gdal" in 3.2.0.
     system python3, "-c", "import osgeo.gdal"
+    # test for zarr blosc compressor
+    assert_match "BLOSC_COMPRESSORS", shell_output("#{bin}/gdalinfo --format Zarr")
   end
 end