chore(deps): bump actions/cache from 5 to 6 (#2285)

Bumps [actions/cache](https://github.com/actions/cache) from 5 to 6.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](https://github.com/actions/cache/compare/v5...v6)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/build_appimage.yml

@@ -93,7 +93,7 @@ jobs:
       - name: Cache GPAC build
         if: steps.should_build.outputs.should_build == 'true'
         id: cache-gpac
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: /usr/local/lib/libgpac*
           key: gpac-v2.4.0-ubuntu22

.github/workflows/build_deb.yml

@@ -99,7 +99,7 @@ jobs:
       - name: Cache GPAC build
         if: steps.should_build.outputs.should_build == 'true'
         id: cache-gpac
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ~/gpac-install
           key: gpac-abi-16.4-ubuntu24-deb

.github/workflows/build_linux.yml

@@ -146,7 +146,7 @@ jobs:
         run: sudo apt update && sudo apt-get install libgpac-dev libavcodec-dev libavformat-dev libavutil-dev libswresample-dev libswscale-dev
       - uses: actions/checkout@v6
       - name: cache 
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: |
             src/rust/.cargo/registry

.github/workflows/build_mac.yml

@@ -195,7 +195,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - name: cache
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: |
             src/rust/.cargo/registry

.github/workflows/build_windows.yml

@@ -70,7 +70,7 @@ jobs:
       # Cache vcpkg installed packages separately for faster restores
       - name: Cache vcpkg installed packages
         id: vcpkg-installed-cache
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ${{ github.workspace }}/vcpkg/installed
           key: vcpkg-installed-${{ runner.os }}-${{ matrix.vcpkg_triplet }}-${{ env.VCPKG_COMMIT }}-${{ hashFiles('windows/vcpkg.json') }}
@@ -84,7 +84,7 @@ jobs:
 
       # Cache Rust/Cargo artifacts
       - name: Cache Cargo registry
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: |
             ~/.cargo/registry
@@ -95,7 +95,7 @@ jobs:
 
       # Cache Cargo build artifacts - rust.bat sets CARGO_TARGET_DIR to windows/
       - name: Cache Cargo build artifacts
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ${{ github.workspace }}/windows/${{ matrix.rust_target }}
           key: ${{ runner.os }}-${{ matrix.arch }}-cargo-build-${{ hashFiles('**/Cargo.lock') }}-${{ hashFiles('src/rust/**/*.rs') }}

.github/workflows/format.yml

@@ -35,7 +35,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - name: cache 
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: |
             ${{ matrix.workdir }}/.cargo/registry

.github/workflows/release.yml

@@ -77,7 +77,7 @@ jobs:
     # Cache vcpkg installed packages separately for faster restores
     - name: Cache vcpkg installed packages
       id: vcpkg-installed-cache
-      uses: actions/cache@v5
+      uses: actions/cache@v6
       with:
         path: ${{ github.workspace }}/vcpkg/installed
         key: vcpkg-installed-${{ runner.os }}-${{ matrix.vcpkg_triplet }}-${{ env.VCPKG_COMMIT }}-${{ hashFiles('windows/vcpkg.json') }}
@@ -95,7 +95,7 @@ jobs:
 
     # Cache Cargo registry
     - name: Cache Cargo registry
-      uses: actions/cache@v5
+      uses: actions/cache@v6
       with:
         path: |
           ~/.cargo/registry

.github/workflows/test_rust.yml

@@ -20,7 +20,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - name: cache
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: |
             src/rust/.cargo/registry