Bump dtolnay/rust-toolchain from 1.71.1 to 1.80.0

Bumps [dtolnay/rust-toolchain](https://github.com/dtolnay/rust-toolchain) from 1.71.1 to 1.80.0.
- [Release notes](https://github.com/dtolnay/rust-toolchain/releases)
- [Commits](dtolnay/rust-toolchain@1.71.1...1.80.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/CI.yml

@@ -25,7 +25,7 @@ jobs:
           - "3.10"
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@1.71.1
+      - uses: dtolnay/rust-toolchain@1.80.0
       - uses: Swatinem/rust-cache@v2
       - name: Setup python ${{ matrix.py }}
         uses: actions/setup-python@v5
@@ -38,7 +38,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@1.71.1
+      - uses: dtolnay/rust-toolchain@1.80.0
       - uses: Swatinem/rust-cache@v2
       - uses: actions/setup-python@v5
         with:
@@ -51,7 +51,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@1.71.1
+      - uses: dtolnay/rust-toolchain@1.80.0
       - uses: Swatinem/rust-cache@v2
       - uses: actions/setup-python@v5
         with:
@@ -66,7 +66,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@1.71.1
+      - uses: dtolnay/rust-toolchain@1.80.0
       - uses: Swatinem/rust-cache@v2
       - uses: actions/setup-python@v5
         with: