[CI/FIX] specify the source of actions on github

.github/workflows/build.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
       - name: Cache west modules
-        uses: https://github.com/actions/cache@v2
+        uses: actions/cache@v2
         env:
           cache-name: cache-zephyr-modules
         with:
@@ -45,7 +45,7 @@ jobs:
       - name: Rename zmk.uf2
         run: cp build/zephyr/zmk.uf2 corne_left_nice_nano_v2.uf2
       - name: Archive (Corne Left)
-        uses: https://github.com/actions/upload-artifact@v3
+        uses: actions/upload-artifact@v3
         with:
           name: firmware
           path: corne_left_nice_nano_v2.uf2
@@ -57,13 +57,13 @@ jobs:
       - name: Rename zmk.uf2
         run: cp build/zephyr/zmk.uf2 corne_right_nice_nano_v2.uf2
       - name: Archive (Corne Right)
-        uses: https://github.com/actions/upload-artifact@v3
+        uses: actions/upload-artifact@v3
         with:
           name: firmware
           path: corne_right_nice_nano_v2.uf2
 
       - name: Upload artifacts as release
-        uses: https://github.com/softprops/action-gh-release@v1
+        uses: softprops/action-gh-release@v1
         if: startsWith(github.ref, 'refs/tags/')
         with:
           files: |