[brief] Split the main build CI script.

[detailed]
- Clang-format and builds should run sequentially, not in parallel.

.github/workflows/build.yml

@@ -1,30 +1,10 @@
 name: Build
 
 on:
-  push:
-    branches: [ master ]
-    paths-ignore:
-      - '**.md'
-      - '**.rst'
-      - 'LICENSE'
-      - 'data/**'
-      - '**/release-*.yml'
-    tags-ignore:
-      - "*.*.*"
-  pull_request:
-    branches: [ master ]
-    paths-ignore:
-      - '**.md'
-      - '**.rst'
-      - 'LICENSE'
-      - '**/release-*.yml'
-    tags-ignore:
-      - "*.*.*"
+  workflow_call:
   workflow_dispatch:
 
 jobs:
-  format:
-    uses: ./.github/workflows/clang-format.yml
   build:
     name: ${{ matrix.config.os }}-${{ matrix.config.preset }}
     runs-on: ${{ matrix.config.os }}

.github/workflows/tests.yml

@@ -0,0 +1,29 @@
+name: Tests
+
+on:
+  push:
+    branches: [ master ]
+    paths-ignore:
+      - '**.md'
+      - '**.rst'
+      - 'LICENSE'
+      - 'data/**'
+      - '**/release-*.yml'
+    tags-ignore:
+      - "*.*.*"
+  pull_request:
+    branches: [ master ]
+    paths-ignore:
+      - '**.md'
+      - '**.rst'
+      - 'LICENSE'
+      - '**/release-*.yml'
+    tags-ignore:
+      - "*.*.*"
+  workflow_dispatch:
+
+jobs:
+  format:
+    uses: ./.github/workflows/clang-format.yml
+  build:
+    uses: ./.github/workflows/build.yml