chore(deps): bump dtolnay/rust-toolchain

Bumps the actions group with 1 update in the / directory: [dtolnay/rust-toolchain](https://github.com/dtolnay/rust-toolchain).


Updates `dtolnay/rust-toolchain` from 1.95.0 to 1.100.0
- [Release notes](https://github.com/dtolnay/rust-toolchain/releases)
- [Commits](dtolnay/rust-toolchain@1.95.0...1.100.0)

---
updated-dependencies:
- dependency-name: dtolnay/rust-toolchain
  dependency-version: 1.100.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions
...

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

Author: dependabot[bot]

.github/workflows/codeql.yml

@@ -40,7 +40,7 @@ jobs:
         path: ./malachite
 
     - name: Install Rust 1.95.0
-      uses: dtolnay/rust-toolchain@1.95.0
+      uses: dtolnay/rust-toolchain@1.100.0
 
     - name: Cache cargo registry + target
       uses: Swatinem/rust-cache@v2

.github/workflows/verify-impl.yml

@@ -32,7 +32,7 @@ jobs:
           path: ./malachite
 
       - name: Install Rust 1.95.0
-        uses: dtolnay/rust-toolchain@1.95.0
+        uses: dtolnay/rust-toolchain@1.100.0
         with:
           components: rustfmt, llvm-tools-preview