build(deps): bump meson from 1.11.2 to 1.12.0 in /.github/workflows

Bumps [meson](https://github.com/mesonbuild/meson) from 1.11.2 to 1.12.0.
- [Release notes](https://github.com/mesonbuild/meson/releases)
- [Commits](https://github.com/mesonbuild/meson/compare/1.11.2...1.12.0)

---
updated-dependencies:
- dependency-name: meson
  dependency-version: 1.12.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/requirements.txt

@@ -1,6 +1,6 @@
-meson==1.11.2 \
-    --hash=sha256:698feae069cef3ecd4d7aaf281d7df359bdfcf555a9a1564383d3b913fa8a736 \
-    --hash=sha256:7e4f6e83fec83e3eaac928e058b073c7557b282c35b6a2024cea143a39926a39
+meson==1.12.0 \
+    --hash=sha256:71f133147fa0fcfe8f4df49fa1045771064947834538409e5d97b3613aac8b4e \
+    --hash=sha256:88afe0c20e52030218924ac37d0c81c59b4b5f3ae3752c8c6d7470c7d365886c
 ninja==1.13.0 \
     --hash=sha256:11be2d22027bde06f14c343f01d31446747dbb51e72d00decca2eb99be911e2f \
     --hash=sha256:1c97223cdda0417f414bf864cfb73b72d8777e57ebb279c5f6de368de0062988 \