Bump actions/download-artifact from 2 to 3 (#704)

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 2 to 3.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v2...v3)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/release.yml

@@ -157,7 +157,7 @@ jobs:
 
     steps:
       - name: Download artifact
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v3
         with:
           name: arduino-create-agent-${{ matrix.os }}${{ matrix.arch }}
           path: arduino-create-agent
@@ -267,7 +267,7 @@ jobs:
           token: ${{ secrets.ARDUINO_CREATE_AGENT_CI_PAT }}
 
       - name: Download artifact
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v3
         with:
           name: arduino-create-agent-${{ matrix.os }}${{ matrix.arch }}
           path: ${{ matrix.executable-path }}  # path expected by installbuilder
@@ -362,7 +362,7 @@ jobs:
     runs-on: macos-10.15
     steps:
       - name: Download artifact
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v3
         with:
           name: ArduinoCreateAgent-osx${{ matrix.arch }}
           path: ArduinoCreateAgent-osx
@@ -430,7 +430,7 @@ jobs:
           fetch-depth: 0 # fetch all history for the create changelog step to work properly
 
       - name: Download artifact
-        uses: actions/download-artifact@v2 # download all the artifacts
+        uses: actions/download-artifact@v3 # download all the artifacts
 
       - name: Identify Prerelease
         # This is a workaround while waiting for create-release action to implement auto pre-release based on tag

.github/workflows/sync-labels.yml

@@ -109,7 +109,7 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Download configuration files artifact
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v3
         with:
           name: ${{ env.CONFIGURATIONS_ARTIFACT }}
           path: ${{ env.CONFIGURATIONS_FOLDER }}