deps(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] <support@github.com>

Author: dependabot[bot]

.github/workflows/core-py-ci.yml

@@ -26,7 +26,7 @@ jobs:
         with:
           python-version: 3.11
       - name: Cache Cargo
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/bin/

.github/workflows/publish-wren-core-wasm.yml

@@ -38,7 +38,7 @@ jobs:
           targets: wasm32-unknown-unknown
 
       - name: Cache Cargo
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/bin/

.github/workflows/rust.yml

@@ -36,7 +36,7 @@ jobs:
           rust-version: stable
 
       - name: Cache Cargo
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/bin/

.github/workflows/wasm-ci.yml

@@ -33,7 +33,7 @@ jobs:
           targets: wasm32-unknown-unknown
 
       - name: Cache Cargo
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/bin/

.github/workflows/wren-ci.yml

@@ -45,7 +45,7 @@ jobs:
       - name: Install uv
         uses: astral-sh/setup-uv@v4
       - name: Cache Cargo
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/bin/
@@ -99,7 +99,7 @@ jobs:
           sudo apt-get update
           sudo apt-get install -y default-libmysqlclient-dev pkg-config
       - name: Cache Cargo
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/bin/
@@ -137,7 +137,7 @@ jobs:
       - name: Install uv
         uses: astral-sh/setup-uv@v4
       - name: Cache Cargo
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/bin/
@@ -175,7 +175,7 @@ jobs:
       - name: Install uv
         uses: astral-sh/setup-uv@v4
       - name: Cache Cargo
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/bin/
@@ -197,7 +197,7 @@ jobs:
           uv lock --find-links ../wren-core-py/target/wheels/ --upgrade-package wren-core-py
           uv sync --extra dev --extra memory --find-links ../wren-core-py/target/wheels/
       - name: Cache sentence-transformers model
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.cache/huggingface
           key: hf-paraphrase-MiniLM-L3-v2