clean up workflow conditional; update to softprops/action-gh-release@v2

Author: dhalbert

.github/workflows/build_util.yml

@@ -88,7 +88,7 @@ jobs:
           fi
 
       - name: Upload Release Asset
-        uses: softprops/action-gh-release@v1
+        uses: softprops/action-gh-release@v2
         if: github.event_name == 'release'
         with:
           files: |
@@ -101,7 +101,9 @@ jobs:
           AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
         if: github.event_name == 'release' && inputs.port == 'espressif'
         run: |
-          [ -z \"$AWS_ACCESS_KEY_ID\" ] || aws s3 cp tinyuf2-${{ matrix.board }}-${{ github.event.release.tag_name }}.zip s3://adafruit-circuit-python/bootloaders/esp32/${{ matrix.board }}/tinyuf2-${{ matrix.board }}-${{ github.event.release.tag_name }}.zip --no-progress --region us-east-1
-          [ -z \"$AWS_ACCESS_KEY_ID\" ] || aws s3 cp update-tinyuf2-${{ matrix.board }}-${{ github.event.release.tag_name }}.uf2 s3://adafruit-circuit-python/bootloaders/esp32/${{ matrix.board }}/update-tinyuf2-${{ matrix.board }}-${{ github.event.release.tag_name }}.uf2 --no-progress --region us-east-1
-          [ -z \"$AWS_ACCESS_KEY_ID\" ] || aws s3 cp combined.bin s3://adafruit-circuit-python/bootloaders/esp32/${{ matrix.board }}/tinyuf2-${{ matrix.board }}-${{ github.event.release.tag_name }}-combined.bin --no-progress --region us-east-1
-          [ -z \"$AWS_ACCESS_KEY_ID\" ] || [ ! -f combined-ota.bin ] || aws s3 cp combined-ota.bin s3://adafruit-circuit-python/bootloaders/esp32/${{ matrix.board }}/tinyuf2-${{ matrix.board }}-${{ github.event.release.tag_name }}-combined-ota.bin --no-progress --region us-east-1
+          if [ ! -n \"$AWS_ACCESS_KEY_ID\" ]; then
+            aws s3 cp tinyuf2-${{ matrix.board }}-${{ github.event.release.tag_name }}.zip s3://adafruit-circuit-python/bootloaders/esp32/${{ matrix.board }}/tinyuf2-${{ matrix.board }}-${{ github.event.release.tag_name }}.zip --no-progress --region us-east-1
+            aws s3 cp update-tinyuf2-${{ matrix.board }}-${{ github.event.release.tag_name }}.uf2 s3://adafruit-circuit-python/bootloaders/esp32/${{ matrix.board }}/update-tinyuf2-${{ matrix.board }}-${{ github.event.release.tag_name }}.uf2 --no-progress --region us-east-1
+            aws s3 cp combined.bin s3://adafruit-circuit-python/bootloaders/esp32/${{ matrix.board }}/tinyuf2-${{ matrix.board }}-${{ github.event.release.tag_name }}-combined.bin --no-progress --region us-east-1
+           [ -f combined-ota.bin ] && aws s3 cp combined-ota.bin s3://adafruit-circuit-python/bootloaders/esp32/${{ matrix.board }}/tinyuf2-${{ matrix.board }}-${{ github.event.release.tag_name }}-combined-ota.bin --no-progress --region us-east-1
+          fi