fix: bump rust version in CI

Author: 0xrusowsky

.github/workflows/ci.yml

@@ -22,7 +22,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest", "macos-latest", "windows-latest"]
-        rust: ["stable", "1.86"]
+        rust: ["stable", "1.87"]
         flags: ["", "--all-features"]
         exclude:
           # Skip because some features have higher MSRV.