Specify nightly version in actions

BloodStainedCrow · BloodStainedCrow · commit fefdc68ee671 · 2026-02-19T10:32:22.000+01:00
diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
@@ -14,9 +14,9 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: nightly
+          toolchain: nightly-2025-12-28
           override: true
       - uses: actions-rs/cargo@v1
         with:
           command: check
-          toolchain: nightly
+          toolchain: nightly-2025-12-28
