hx20/hx30: Update github actions

BRANCH=fwk-hx20-hx30-4410
TEST=Action run stops failing, see below
BUG=upload-artifact v2 is deprecated and the action runs are failing.

Currently we're seeing the below failure:

> Error: This request has been automatically failed because it uses a
> deprecated version of `actions/upload-artifact: v2`. Learn more:
> https://github.blog/changelog/2024-02-13-deprecation-notice-v1-and-v2-of-the-artifact-actions/

Signed-off-by: Daniel Schaefer <dhs@frame.work>

Author: JohnAZoidberg

.github/workflows/hx20.yml

@@ -12,7 +12,7 @@ jobs:
         run: sudo apt install gcc-arm-none-eabi libftdi1-dev
       # Checks out a copy of your repository on the ubuntu-latest machine
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: build hx20 board
         env:
           BOARD: hx20
@@ -25,7 +25,7 @@ jobs:
         run: |
           echo "VERSIONINFO=$(date -u +'%Y-%m-%d-%H-%M-%S')_$GITHUB_SHA" >> $GITHUB_ENV
 
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v4
         with:
           name: hx20.${{ env.VERSIONINFO }}.bin
           path: build/hx20/ec.bin

.github/workflows/hx30.yml

@@ -12,7 +12,7 @@ jobs:
         run: sudo apt install gcc-arm-none-eabi libftdi1-dev
       # Checks out a copy of your repository on the ubuntu-latest machine
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: build hx30 board
         env:
           BOARD: hx30
@@ -25,7 +25,7 @@ jobs:
         run: |
           echo "VERSIONINFO=$(date -u +'%Y-%m-%d-%H-%M-%S')_$GITHUB_SHA" >> $GITHUB_ENV
 
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v4
         with:
           name: hx30.${{ env.VERSIONINFO }}.bin
           path: build/hx30/ec.bin

.github/workflows/lint.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: get checkpatch