Update actions/checkout action to v6

.github/workflows/esp32_build.yml

@@ -1,28 +1,27 @@
 name: Thomas the tank engine - Build the ESP-IDF Project
 
 on:
-  push:
   pull_request:
   merge_group:
-  schedule:
-    - cron: "0 5 * * 3"
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
 
 jobs:
   build:
     strategy:
       matrix:
-        idf_ver: [release-v5.3, release-v5.4, latest]
-        idf_target: [esp32, esp32s3, esp32c3, esp32c5, esp32h2]
+        idf_ver: [release-v5.0, release-v5.1, release-v5.2, release-v5.3]
+        idf_target: [esp32, esp32s3, esp32c3, esp32h2]
+        include:
+          - idf_ver: release-v5.3
+            idf_target: esp32c5
+        exclude:
+          - idf_ver: release-v5.0
+            idf_target: esp32h2
 
     runs-on: ubuntu-latest
 
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           submodules: "recursive"
       - name: ESP-IDF build

.gitignore

@@ -5,7 +5,6 @@ sdkconfig.old
 
 # They ignored Idea (Webstorm) completely
 .idea/
-.cache/
 
 # However, they kept the following 4 files version controlled
 .vscode/*

main/CMakeLists.txt

@@ -1,6 +1,4 @@
 idf_component_register(SRCS "main.c" "osr_ble.c"
                     INCLUDE_DIRS "."
                     PRIV_REQUIRES 
-                        nvs_flash
-                        spi_flash
-                    )
+                        nvs_flash)

renovate.json

@@ -0,0 +1,3 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json"
+}