chore: Upgrade MSRV to 1.60.0

Author: epage

.clippy.toml

@@ -1 +1 @@
-msrv = "1.54.0"  # MSRV
+msrv = "1.60.0"  # MSRV

.github/workflows/ci.yml

@@ -55,15 +55,15 @@ jobs:
     - name: No-default features
       run: cargo test --workspace --no-default-features
   msrv:
-    name: "Check MSRV: 1.54.0"
+    name: "Check MSRV: 1.60.0"
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
       uses: actions/checkout@v2
     - name: Install Rust
       uses: actions-rs/toolchain@v1
       with:
-        toolchain: 1.54.0  # MSRV
+        toolchain: 1.60.0  # MSRV
         profile: minimal
         override: true
     - uses: Swatinem/rust-cache@v1
@@ -117,7 +117,7 @@ jobs:
     - name: Install Rust
       uses: actions-rs/toolchain@v1
       with:
-        toolchain: 1.54.0  # MSRV
+        toolchain: 1.60.0  # MSRV
         profile: minimal
         override: true
         components: clippy

.github/workflows/rust-next.yml

@@ -61,9 +61,9 @@ jobs:
     strategy:
       matrix:
         rust:
-        - 1.54.0  # MSRV
+        - 1.60.0  # MSRV
         - stable
-    continue-on-error: ${{ matrix.rust != '1.54.0' }}  # MSRV
+    continue-on-error: ${{ matrix.rust != '1.60.0' }}  # MSRV
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository

Cargo.toml

@@ -14,7 +14,7 @@ readme = "README.md"
 categories = ["command-line-interface", "development-tools"]
 keywords = ["git", "cli"]
 edition = "2018"
-rust-version = "1.54.0"  # MSRV
+rust-version = "1.60.0"  # MSRV
 include = [
   "src/**/*",
   "Cargo.toml",