fix: Fix host test for github ci.

Author: euripedesrocha

.github/workflows/mqtt__host-tests.yml

@@ -22,7 +22,7 @@ jobs:
        - name: Build and Test
          shell: bash
          run: |
-           apt-get update && apt-get install -y gcc-8 g++-8 python3-pip rsync
+           apt-get update && apt-get install -y gcc g++ python3-pip rsync
            ${IDF_PATH}/install.sh
            . ${IDF_PATH}/export.sh
            echo "IDF_PATH=${IDF_PATH}" >> $GITHUB_ENV