Add 3.15 (beta) to version matrix

Author: m-aciek

.github/workflows/update-lint-and-build.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        version: [3.14, 3.13, 3.12, 3.11, '3.10']
+        version: [3.15, 3.14, 3.13, 3.12, 3.11, '3.10']
     steps:
       - uses: styfle/cancel-workflow-action@0.13.1
         with:
@@ -70,7 +70,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        version: [3.14, 3.13, 3.12, 3.11]
+        version: [3.15, 3.14, 3.13, 3.12, 3.11]
     needs: ['update']
     continue-on-error: true
     steps:
@@ -89,7 +89,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        version: [3.14, 3.13, 3.12, 3.11, '3.10']
+        version: [3.15, 3.14, 3.13, 3.12, 3.11, '3.10']
         format: [html, latex, epub]
     needs: ['update']
     steps:
@@ -123,7 +123,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        version: [3.14, 3.13, 3.12, 3.11, '3.10']
+        version: [3.15, 3.14, 3.13, 3.12, 3.11, '3.10']
     needs: ['build']
     steps:
       - uses: actions/download-artifact@v8.0.1
@@ -141,7 +141,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        version: [3.14]
+        version: [3.15, 3.14]
     needs: ['build']
     continue-on-error: true
     steps: