ci: Bump actions/cache from 4 to 5

Bumps [actions/cache](https://github.com/actions/cache) from 4 to 5.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v4...v5)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/security.yml

@@ -34,7 +34,7 @@ jobs:
           components: clippy
 
       - name: Cache Rust dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/registry/index/
@@ -96,7 +96,7 @@ jobs:
         uses: dtolnay/rust-toolchain@nightly
 
       - name: Cache Rust dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/registry/index/
@@ -151,7 +151,7 @@ jobs:
         uses: dtolnay/rust-toolchain@nightly
 
       - name: Cache Rust dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/registry/index/
@@ -196,7 +196,7 @@ jobs:
           toolchain: "1.85"
 
       - name: Cache Rust dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/registry/index/
@@ -231,7 +231,7 @@ jobs:
           toolchain: "1.85"
 
       - name: Cache Rust dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/registry/index/
@@ -263,7 +263,7 @@ jobs:
           toolchain: "1.85"
 
       - name: Cache Rust dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/registry/index/