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/ci.yml

@@ -89,7 +89,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - name: Cache cargo build and registry
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ~/.cargo/registry
@@ -129,7 +129,7 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Cache cargo build and registry
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: |
           ~/.cargo/registry
@@ -144,7 +144,7 @@ jobs:
     - name: Install cargo-hack
       run: cargo install cargo-hack
     - name: Cache ~/.cargo
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: ~/.cargo
         key: ${{ runner.os }}-coverage-dotcargo
@@ -163,7 +163,7 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Cache cargo build and registry
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: |
           ~/.cargo/registry
@@ -178,7 +178,7 @@ jobs:
     - name: Install cargo-hack
       run: cargo install cargo-hack
     - name: Cache ~/.cargo
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: ~/.cargo
         key: ${{ runner.os }}-coverage-dotcargo
@@ -195,7 +195,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - name: Cache cargo build and registry
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ~/.cargo/registry
@@ -244,7 +244,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - name: Cache cargo build and registry
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ~/.cargo/registry
@@ -290,7 +290,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - name: Cache cargo build and registry
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ~/.cargo/registry
@@ -317,7 +317,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - name: Cache cargo build and registry
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ~/.cargo/registry
@@ -338,7 +338,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - name: Cache cargo build and registry
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ~/.cargo/registry
@@ -390,12 +390,12 @@ jobs:
           crate: cargo-tarpaulin
           version: latest
       - name: Cache ~/.cargo
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.cargo
           key: ${{ runner.os }}-coverage-dotcargo
       - name: Cache cargo build
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: target
           key: ${{ runner.os }}-coverage-cargo-build-target