github action workflow update/fixes (#407)

* github action workflow update/fixes
* required due to GitHub deprecations

.github/workflows/build.yml

@@ -43,38 +43,38 @@ jobs:
       uses: actions/setup-python@v1
 
     - name: Setup Toolchain
-      uses: fiam/arm-none-eabi-gcc@v1.0.2
+      uses: fiam/arm-none-eabi-gcc@master
       with:
         release: '9-2020-q2' # The arm-none-eabi-gcc release to use.
 
     - name: Get code version
       id: get_version
-      run: echo "::set-output name=VERSION::$(make version)"
+      run: echo "VERSION=$(make version)" >> $GITHUB_ENV
 
     # for Makefile interaction
     - name: Get GitHub Build Number (ENV)
       id: get_buildno
-      run: echo ::set-env name=GITHUBBUILDNUMBER::${{ github.run_number }}
+      run: echo "GITHUBBUILDNUMBER=${{ github.run_number }}" >> $GITHUB_ENV
       continue-on-error: true
 
     - name: Get pull request number
       id: get_pullno
-      run: echo ::set-env name=PULL_NUMBER::$(echo "$GITHUB_REF" | awk -F / '{print $3}')
+      run: echo "PULL_NUMBER=$(echo "$GITHUB_REF" | awk -F / '{print $3}')" >> $GITHUB_ENV
       if: startsWith(github.ref, 'refs/pull/')
 
     - name: Get revision tag
       id: get_revtag
-      run: echo "::set-output name=REVISION_TAG::${GITHUB_REF/refs\/tags\//}"
+      run: echo "REVISION_TAG=${GITHUB_REF/refs\/tags\//}" >> $GITHUB_ENV
       if: startsWith(github.ref, 'refs/tags/')
 
     # for debugging
     - name: Show Variables
       id: show_vars
       run: |
         echo "Build: ${{ github.run_number }}"
-        echo "Firmware ${{ steps.get_version.outputs.VERSION }}"
+        echo "Firmware: ${{ env.VERSION }}"
         echo "Commit: ${{ github.sha }}"
-        echo "tag: ${{ steps.get_revtag.outputs.REVISION_TAG}}"
+        echo "tag: ${{ env.REVISION_TAG}}"
       continue-on-error: true
 
     - name: Compile Code
@@ -85,7 +85,7 @@ jobs:
     - name: Upload Artifacts
       uses: actions/upload-artifact@v2
       with:
-        name: EmuFlight-${{ steps.get_version.outputs.VERSION }}-${{ github.run_number }}
+        name: EmuFlight-${{ env.VERSION }}-${{ github.run_number }}
         path: obj/*.hex
 
     # Upload to Bintray before .hex renames / only for tag
@@ -98,8 +98,8 @@ jobs:
         export JFROG_CLI_LOG_LEVEL=DEBUG
         ./jfrog bt config --user=${{secrets.BINTRAYUSERNAME}} --key=${{secrets.BINTRAYAPIKEY}} --licenses=GPL-3.0
         export repo="emuflight-dev/dev_hex"
-        export package="${{steps.get_revtag.outputs.REVISION_TAG}}"
-        export version="${{github.run_number}}-${{steps.get_version.outputs.VERSION}}-${{steps.get_revtag.outputs.REVISION_TAG}}"
+        export package="${{env.REVISION_TAG}}"
+        export version="${{github.run_number}}-${{env.VERSION}}-${{env.REVISION_TAG}}"
         ./jfrog bt package-create --pub-dn=true --vcs-url="https://github.com/emuflight" "${repo}/${package}" || true
         ./jfrog bt version-create "${repo}/${package}/${version}"  || true
         ./jfrog bt upload --publish=true "obj/*.hex" "${repo}/${package}/${version}" "GitHub_Build_${version}/" || true
@@ -121,10 +121,10 @@ jobs:
         draft: true
         prerelease: true
         tag_name: ${{ github.run_number }}   # use the build Number, but we manually change to version so that it creates a version-tag on release
-        name:  DRAFT / EmuFlight ${{ steps.get_version.outputs.VERSION }} / GitHub Build ${{ github.run_number }}
+        name:  DRAFT / EmuFlight ${{ env.VERSION }} / GitHub Build ${{ github.run_number }}
         body: |
-          # EmuFlight ${{ steps.get_version.outputs.VERSION }}
-          ## BuildTag: ${{ steps.get_revtag.outputs.REVISION_TAG}}
+          # EmuFlight ${{ env.VERSION }}
+          ## BuildTag: ${{ env.REVISION_TAG}}
           ## Commit: ${{ github.sha }}
           ## Changes in this Release:
       env: