Fix ESP-IDF version format to v6.0 for GitHub Actions

The action expects version tags without the 'release/' prefix.

Author: RobertDaleSmith

.github/workflows/build-esp32.yml

@@ -36,7 +36,7 @@ jobs:
       - name: Build ${{ matrix.board.display_name }}
         uses: espressif/esp-idf-ci-action@v1
         with:
-          esp_idf_version: release/v6.0
+          esp_idf_version: v6.0
           target: esp32s3
           path: esp
           command: |

.github/workflows/release.yml

@@ -174,7 +174,7 @@ jobs:
       - name: Build ${{ matrix.board.display_name }}
         uses: espressif/esp-idf-ci-action@v1
         with:
-          esp_idf_version: release/v6.0
+          esp_idf_version: v6.0
           target: esp32s3
           path: esp
           command: |