chore: Upgrade tracing-subscriber

.clippy.toml

@@ -1 +1 @@
-msrv = "1.56.0"  # MSRV
+msrv = "1.56.1"  # MSRV

.github/workflows/ci.yml

@@ -51,15 +51,15 @@ jobs:
     - name: No-default features
       run: cargo test --workspace --no-default-features
   msrv:
-    name: "Check MSRV: 1.56.0"
+    name: "Check MSRV: 1.56.1"
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
       uses: actions/checkout@v2
     - name: Install Rust
       uses: actions-rs/toolchain@v1
       with:
-        toolchain: 1.56.0  # MSRV
+        toolchain: 1.56.1  # MSRV
         profile: minimal
         override: true
     - uses: Swatinem/rust-cache@v1
@@ -113,7 +113,7 @@ jobs:
     - name: Install Rust
       uses: actions-rs/toolchain@v1
       with:
-        toolchain: 1.56.0  # MSRV
+        toolchain: 1.56.1  # MSRV
         profile: minimal
         override: true
         components: clippy

.github/workflows/rust-next.yml

@@ -57,9 +57,9 @@ jobs:
     strategy:
       matrix:
         rust:
-        - 1.56.0  # MSRV
+        - 1.56.1  # MSRV
         - stable
-    continue-on-error: ${{ matrix.rust != '1.56.0' }}  # MSRV
+    continue-on-error: ${{ matrix.rust != '1.56.1' }}  # MSRV
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository

Cargo.toml

@@ -7,7 +7,7 @@ license = "MIT OR Apache-2.0"
 repository = "https://github.com/rust-clique/clap-verbosity-flag"
 readme = "README.md"
 edition = "2021"
-rust-version = "1.56.0"  # MSRV
+rust-version = "1.56.1"  # MSRV
 include = [
   "src/**/*",
   "Cargo.toml",
@@ -35,5 +35,5 @@ clap = { version = "3.0", default-features = false, features = ["std", "derive"]
 [dev-dependencies]
 env_logger = "0.9.0"
 tracing = "0.1"
-tracing-subscriber = "0.2"
+tracing-subscriber = "0.3"
 tracing-log = "0.1.3"