refactor(workflows): align GitHub workflow conventions

Cosmetic pass at aligning the conventions used in ZMK's workflows with GitHub's examples.  Based on examples found at:
https://github.com/actions/starter-workflows

PR #433

.github/workflows/build.yml

@@ -1,3 +1,5 @@
+name: Build
+
 on:
   push:
     paths:
@@ -8,12 +10,9 @@ on:
       - ".github/workflows/build.yml"
       - "app/**"
 
-name: Build
-
 jobs:
   build:
     runs-on: ubuntu-latest
-    name: Build Test
     strategy:
       matrix:
         board: [proton_c, nice_nano, bluemicro840_v1, nrfmicro_13]
@@ -47,8 +46,6 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
       - name: Cache west modules
-        timeout-minutes: 2
-        continue-on-error: true
         uses: actions/cache@v2
         env:
           cache-name: cache-zephyr-modules
@@ -63,32 +60,34 @@ jobs:
             ${{ runner.os }}-build-${{ env.cache-name }}-
             ${{ runner.os }}-build-
             ${{ runner.os }}-
-      - name: West Init
+        timeout-minutes: 2
+        continue-on-error: true
+      - name: West init
         uses: "docker://zmkfirmware/zephyr-west-action-arm:latest"
         id: west-init
         with:
           args: 'init "-l app"'
-      - name: West Update
+      - name: West update
         uses: "docker://zmkfirmware/zephyr-west-action-arm:latest"
         id: west-update
         with:
           args: "update"
-      - name: West Config Zephyr Base
+      - name: West config Zephyr base
         uses: "docker://zmkfirmware/zephyr-west-action-arm:latest"
         id: west-config
         with:
           args: 'config "--global zephyr.base-prefer configfile"'
-      - name: West Zephyr Export
+      - name: West Zephyr export
         uses: "docker://zmkfirmware/zephyr-west-action-arm:latest"
         id: west-zephyr-export
         with:
           args: "zephyr-export"
-      - name: West Build
+      - name: West build
         uses: "docker://zmkfirmware/zephyr-west-action-arm:latest"
         id: west-build
         with:
           args: 'build "-s app -b ${{ matrix.board }} -- -DSHIELD=${{ matrix.shield }}"'
-      - name: Archive Build
+      - name: Archive build
         uses: actions/upload-artifact@v2
         if: ${{ matrix.board != 'proton_c' }}
         with: