Codechange: [CI] build some targets every night, instead of every PR

This mainly as they are not expected to fail, or give more information
than the other targets already would. And this is just hogging up
the CI pipeline. On average, these targets take ~80 CPU-minutes to
finish.

.dorpsgek.yml

@@ -17,3 +17,4 @@ notifications:
   workflow-run:
     only:
     - .github/workflows/release.yml
+    - .github/workflows/ci-nightly.yml

.github/workflows/ci-build.yml

@@ -1,4 +1,4 @@
-name: CI
+name: CI - Build
 
 on:
   pull_request:
@@ -38,10 +38,6 @@ jobs:
           compiler: gcc
           cxxcompiler: g++
           libraries: libsdl2-dev
-        - name: GCC - SDL1.2
-          compiler: gcc
-          cxxcompiler: g++
-          libraries: libsdl1.2-dev
         - name: GCC - Dedicated
           compiler: gcc
           cxxcompiler: g++
@@ -83,13 +79,11 @@ jobs:
       matrix:
         include:
         - os: windows-latest
-          name: Windows
           arch: x86
         - os: windows-latest
-          name: Windows
           arch: x64
 
-    name: ${{ matrix.name }} (${{ matrix.arch }})
+    name: Windows (${{ matrix.arch }})
 
     uses: ./.github/workflows/ci-windows.yml
     secrets: inherit
@@ -98,25 +92,6 @@ jobs:
       os: ${{ matrix.os }}
       arch: ${{ matrix.arch }}
 
-  mingw:
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - msystem: MINGW64
-            arch: x86_64
-          - msystem: MINGW32
-            arch: i686
-
-    name: MinGW (${{ matrix.arch }})
-
-    uses: ./.github/workflows/ci-mingw.yml
-    secrets: inherit
-
-    with:
-      msystem: ${{ matrix.msystem }}
-      arch: ${{ matrix.arch }}
-
   check_annotations:
     name: Check Annotations
     needs:
@@ -124,7 +99,6 @@ jobs:
     - linux
     - macos
     - windows
-    - mingw
 
     if: always() && github.event_name == 'pull_request'
 

.github/workflows/ci-nightly.yml

@@ -0,0 +1,82 @@
+name: CI - Nightly
+
+on:
+  schedule:
+  - cron: '0 3 * * *'
+  workflow_dispatch:
+
+env:
+  CTEST_OUTPUT_ON_FAILURE: 1
+
+jobs:
+  linux:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+        - name: GCC - SDL1.2
+          compiler: gcc
+          cxxcompiler: g++
+          libraries: libsdl1.2-dev
+
+    name: Linux (${{ matrix.name }})
+
+    uses: ./.github/workflows/ci-linux.yml
+    secrets: inherit
+
+    with:
+      compiler: ${{ matrix.compiler }}
+      cxxcompiler: ${{ matrix.cxxcompiler }}
+      libraries: ${{ matrix.libraries }}
+      extra-cmake-parameters:
+
+  macos:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+        - arch: x64
+          full_arch: x86_64
+
+    name: Mac OS (${{ matrix.arch }})
+
+    uses: ./.github/workflows/ci-macos.yml
+    secrets: inherit
+
+    with:
+      arch: ${{ matrix.arch }}
+      full_arch: ${{ matrix.full_arch }}
+
+  mingw:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+        - msystem: MINGW64
+          arch: x86_64
+        - msystem: MINGW32
+          arch: i686
+
+    name: MinGW (${{ matrix.arch }})
+
+    uses: ./.github/workflows/ci-mingw.yml
+    secrets: inherit
+
+    with:
+      msystem: ${{ matrix.msystem }}
+      arch: ${{ matrix.arch }}
+
+  check_annotations:
+    name: Check Annotations
+    needs:
+    - linux
+    - macos
+    - mingw
+
+    if: always()
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Check annotations
+      uses: OpenTTD/actions/annotation-check@v5