Update Mac Picotool/OpenOCD to use bundled dylibs (#1922)

Fixes #1919 by using binaries from earlephilhower/pico-quick-toolchain#37

Author: earlephilhower

docs/install.rst

@@ -159,12 +159,6 @@ So for the first sketch you will need to rebuild (with the ``Upload Method->Pico
 
 After the initial upload, as long as the running binary was built using the ``Picotool`` upload method, then the normal upload process should work.
 
-Under MacOS, it may be necessary to install the USB support libraries from a command terminal before the ``Picotool`` upload method can be used:
-
-.. code::
-
-        brew install libusb
-
 For Ubuntu and other Linux operating systems you may need to add the following lines to a new `udev` config file(``99-picotool.rules``) to allow normal users to access the special USB device the Pico exports:
 
 .. code::

package/package_pico_index.template.json

@@ -308,10 +308,10 @@
                   },
                   {
                      "host": "x86_64-apple-darwin",
-                     "url": "https://github.com/earlephilhower/pico-quick-toolchain/releases/download/2.1.0-a/x86_64-apple-darwin15.picotool1-f6fe6b7.230911.tar.gz",
-                     "archiveFileName": "x86_64-apple-darwin15.picotool1-f6fe6b7.230911.tar.gz",
-                     "checksum": "SHA-256:80415ab9b4b63a327b31a1b84df31883dae4080a286851a546a46badf1b7de41",
-                     "size": "1130270"
+                     "url": "https://github.com/earlephilhower/pico-quick-toolchain/releases/download/2.1.0-a/x86_64-apple-darwin15.picotool2-f6fe6b7.230911.tar.gz",
+                     "archiveFileName": "x86_64-apple-darwin15.picotool2-f6fe6b7.230911.tar.gz",
+                     "checksum": "SHA-256:b17a8a53737084f046ae27dc082f3732b39f273d8cd61a55ffaa8a9737999e5d",
+                     "size": "166362"
                   },
                   {
                      "host": "x86_64-pc-linux-gnu",
@@ -363,10 +363,10 @@
                   },
                   {
                      "host": "x86_64-apple-darwin",
-                     "url": "https://github.com/earlephilhower/pico-quick-toolchain/releases/download/2.1.0-a/x86_64-apple-darwin15.openocd-4d87f6dca.230911.tar.gz",
-                     "archiveFileName": "x86_64-apple-darwin15.openocd-4d87f6dca.230911.tar.gz",
-                     "checksum": "SHA-256:cb44314cb64316e91cf45c5623319751706bd94ad734a322af243b77f8eb2328",
-                     "size": "2801625"
+                     "url": "https://github.com/earlephilhower/pico-quick-toolchain/releases/download/2.1.0-a/x86_64-apple-darwin15.openocd2-4d87f6dca.230911.tar.gz",
+                     "archiveFileName": "x86_64-apple-darwin15.openocd2-4d87f6dca.230911.tar.gz",
+                     "checksum": "SHA-256:18414d66c774538364e566169917d0f162f8c25fb553e5f32d81a1939fba7f1a",
+                     "size": "3060420"
                   },
                   {
                      "host": "x86_64-pc-linux-gnu",