Build on Ubuntu 26.04 too

Author: eregon

.github/workflows/build.yml

@@ -77,7 +77,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-22.04, ubuntu-24.04, ubuntu-22.04-arm, ubuntu-24.04-arm, macos-15-intel, macos-14, windows-2022, windows-11-arm ]
+        os: [ ubuntu-22.04, ubuntu-24.04, ubuntu-26.04, ubuntu-22.04-arm, ubuntu-24.04-arm, ubuntu-26.04-arm, macos-15-intel, macos-14, windows-2022, windows-11-arm ]
     runs-on: ${{ matrix.os }}
     outputs:
       commit: ${{ steps.latest_commit.outputs.commit }}