Bump actions/cache from 2 to 4

Bumps [actions/cache](https://github.com/actions/cache) from 2 to 4.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v2...v4)

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

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

Author: dependabot[bot]

.github/workflows/CrossChecks.yml

@@ -34,7 +34,7 @@ jobs:
 
      # Set up cache
       - name: "Set up cache"
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         env:
           cache-name: cache-artifacts
         with:

.github/workflows/Eval.yml

@@ -32,7 +32,7 @@ jobs:
 
      # Set up cache
       - name: "Set up cache"
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         env:
           cache-name: cache-artifacts
         with:

.github/workflows/TestLTS.yml

@@ -37,7 +37,7 @@ jobs:
 
      # Set up cache
       - name: "Set up cache"
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         env:
           cache-name: cache-artifacts
         with:

.github/workflows/TestLatest.yml

@@ -37,7 +37,7 @@ jobs:
 
      # Set up cache
       - name: "Set up cache"
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         env:
           cache-name: cache-artifacts
         with: