bazel: small fixes

- Align Rust versions.
- Remove self-dependency.

Author: arkjedrz

.github/workflows/lint_fmt_clippy.yml

@@ -50,7 +50,7 @@ jobs:
         uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: 1.87.0
+          toolchain: 1.90.0
           override: true
           components: rustfmt, clippy
 

src/log/BUILD

@@ -21,7 +21,4 @@ rust_library(
 rust_test(
     name = "log_tests",
     crate = ":log",
-    deps = [
-        "//src/log",
-    ],
 )