toolchain: provide the index-url to build requirements

Due to installing matter-idl the nordic index need to be provided.

Signed-off-by: Michał Szablowski <[email protected]>

Author: doublemis1

scripts/requirements-build.txt

@@ -14,4 +14,3 @@ nrf-regtool==9.2.1
 windows-curses; sys_platform == 'win32'
 unidiff
 pycryptodome==3.21.0
-matter_idl

scripts/requirements-extra.txt

@@ -9,3 +9,4 @@ zcbor>=0.8.0
 nrfcredstore>=1.0.0,<2
 idna>=3.7 # https://github.com/advisories/GHSA-jjg7-2v4v-x38h
 libusb>=1.0.26
+matter_idl