Merge pull request #1410 from UncleGrumpy/fix_esp_workflow

Fix broken esp32-build workflow

Fixes the failing `Build ESP32 tests using idf.py with memory checks` step by
exporting the rebar3 install directory to PATH.

These changes are made under both the "Apache 2.0" and the "GNU Lesser General
Public License 2.1 or later" license terms (dual license).

SPDX-License-Identifier: Apache-2.0 OR LGPL-2.1-or-later

Author: bettio

.github/workflows/esp32-build.yaml

@@ -135,6 +135,7 @@ jobs:
       working-directory: ./src/platforms/esp32/test/
       run: |
         set -e
+        export PATH=${PATH}:${HOME}/.cache/rebar3/bin
         cp sdkconfig.defaults sdkconfig.defaults.backup
         echo "CONFIG_COMPILER_STACK_CHECK_MODE_ALL=y" >> sdkconfig.defaults
         echo "CONFIG_COMPILER_STACK_CHECK=y" >> sdkconfig.defaults