Bump actions/cache from 3 to 4

Bumps [actions/cache](https://github.com/actions/cache) from 3 to 4.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v3...v4)

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

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

.github/workflows/rust.yml

@@ -48,7 +48,7 @@ jobs:
         run: rustup target add ${{ matrix.target }} --toolchain stable
 
       - name: Cache cargo registry
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         continue-on-error: true
         with:
           path: ~/.cargo/registry/cache
@@ -90,7 +90,7 @@ jobs:
         run: rustup target add ${{ matrix.target }} --toolchain stable
 
       - name: Cache cargo registry
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         continue-on-error: true
         with:
           path: ~/.cargo/registry/cache
@@ -132,7 +132,7 @@ jobs:
         run: rustup target add ${{ matrix.target }} --toolchain stable
 
       - name: Cache cargo registry
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         continue-on-error: true
         with:
           path: ~/.cargo/registry/cache
@@ -172,7 +172,7 @@ jobs:
         run: rustup target add ${{ env.RUST_TARGET }} --toolchain stable
 
       - name: Cache cargo registry
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         continue-on-error: true
         with:
           path: ~/.cargo/registry/cache
@@ -244,7 +244,7 @@ jobs:
         run: rustup target add ${{ matrix.target }} --toolchain stable
 
       - name: Cache cargo registry
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         continue-on-error: true
         with:
           path: ~/.cargo/registry/cache
@@ -315,7 +315,7 @@ jobs:
           echo "RUST_TARGET=x86_64-unknown-linux-gnu" >> $GITHUB_ENV
 
       - name: Cache cargo registry
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         continue-on-error: true
         with:
           path: ~/.cargo/registry/cache
@@ -390,7 +390,7 @@ jobs:
           echo "RUST_TARGET=aarch64-unknown-linux-gnu" >> $GITHUB_ENV
 
       - name: Cache cargo registry
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         continue-on-error: true
         with:
           path: ~/.cargo/registry/cache
@@ -465,7 +465,7 @@ jobs:
           echo "RUST_TARGET=x86_64-apple-darwin" >> $GITHUB_ENV
           
       - name: Cache cargo registry
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         continue-on-error: true
         with:
           path: ~/.cargo/registry/cache