[nrf noup] ci: use action-ncs-toolchain-setup

There is now separate action to handle toolchain setup.
Lets use that action here.

Signed-off-by: Kari Hamalainen <kari.hamalainen@nordicsemi.no>

Author: karhama

.github/workflows/build-using-toolchain-bundle.yml

@@ -19,36 +19,10 @@ jobs:
           west init -l example-application
           west update -o=--depth=1 -n
 
-      - name: Install nrfutil and toolchain manager
-        run: |
-            wget -q https://files.nordicsemi.com/artifactory/swtools/external/nrfutil/executables/x86_64-unknown-linux-gnu/nrfutil
-            chmod +x nrfutil
-            ./nrfutil install toolchain-manager
-
-      - name: Find proper toolchain bundle
-        id: set-tb-id
-        run: echo "TOOLCHAIN_BUNDLE_NAME=ncs-toolchain-x86_64-linux-$(./nrf/scripts/print_toolchain_checksum.sh).tar.gz" >> $GITHUB_OUTPUT
-
-      - name: Restore toolchain bundle from cache
-        id: restore-cached-tb
-        uses: actions/cache/restore@v4
+      - name: Setup ncs toolchain
+        uses: nrfconnect/action-ncs-toolchain-setup@main
         with:
-          path: ${{steps.set-tb-id.outputs.TOOLCHAIN_BUNDLE_NAME}}
-          key: ${{steps.set-tb-id.outputs.TOOLCHAIN_BUNDLE_NAME}}
-
-      - name: Download toolchain bundle if not cached
-        if: steps.restore-cached-tb.outputs.cache-hit != 'true'
-        run: wget https://files.nordicsemi.com/artifactory/NCS/external/bundles/v3/${{steps.set-tb-id.outputs.TOOLCHAIN_BUNDLE_NAME}}
-
-      - name: Save toolchain bundle to cache
-        if: steps.restore-cached-tb.outputs.cache-hit != 'true'
-        uses: actions/cache/save@v4
-        with:
-          path: ${{steps.set-tb-id.outputs.TOOLCHAIN_BUNDLE_NAME}}
-          key: ${{steps.set-tb-id.outputs.TOOLCHAIN_BUNDLE_NAME}}
-
-      - name: Install proper toolchain bundle
-        run: ./nrfutil toolchain-manager install --toolchain-bundle ${{steps.set-tb-id.outputs.TOOLCHAIN_BUNDLE_NAME}}
+          nrf-path: nrf
 
       - name: Build firmware
         run: |