Bump actions-rust-lang/setup-rust-toolchain from 1.6.0 to 1.8.0 (#24)

Bumps [actions-rust-lang/setup-rust-toolchain](https://github.com/actions-rust-lang/setup-rust-toolchain) from 1.6.0 to 1.8.0.
- [Release notes](https://github.com/actions-rust-lang/setup-rust-toolchain/releases)
- [Changelog](https://github.com/actions-rust-lang/setup-rust-toolchain/blob/main/CHANGELOG.md)
- [Commits](actions-rust-lang/setup-rust-toolchain@v1.6.0...v1.8.0)

---
updated-dependencies:
- dependency-name: actions-rust-lang/setup-rust-toolchain
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/ci.yml

@@ -30,7 +30,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Rust (${{ matrix.toolchain.name }})
-        uses: actions-rust-lang/setup-rust-toolchain@v1.6.0
+        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
         with:
           toolchain: ${{ matrix.toolchain.version }}
 

.github/workflows/lint.yml

@@ -23,7 +23,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Rust
-        uses: actions-rust-lang/setup-rust-toolchain@v1.6.0
+        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
         with:
           components: clippy
 
@@ -43,7 +43,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Install Rust (nightly)
-        uses: actions-rust-lang/setup-rust-toolchain@v1.6.0
+        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
         with:
           toolchain: nightly
           components: rustfmt
@@ -55,7 +55,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Install Rust
-        uses: actions-rust-lang/setup-rust-toolchain@v1.6.0
+        uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
         with:
           components: rust-docs
 
@@ -73,7 +73,7 @@ jobs:
 
       - uses: actions/checkout@v4
 
-      - uses: actions-rust-lang/setup-rust-toolchain@v1.6.0
+      - uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
         with:
           toolchain: nightly-2023-08-25