chore(deps): update actions/cache action to v4

.forgejo/actions/rust-toolchain/action.yml

@@ -33,7 +33,7 @@ runs:
         echo "version=$(rustup --version)" >> $GITHUB_OUTPUT
     - name: Cache rustup toolchains
       if: steps.rustup-version.outputs.version == ''
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: |
           ~/.rustup

.forgejo/actions/timelord/action.yml

@@ -20,7 +20,7 @@ runs:
   steps:
     - name: Cache timelord-cli installation
       id: cache-timelord-bin
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: ~/.cargo/bin/timelord
         key: timelord-cli-v3.0.1
@@ -32,7 +32,7 @@ runs:
       if: steps.cache-timelord-bin.outputs.cache-hit != 'true'
 
     - name: Load timelord files
-      uses: actions/cache/restore@v3
+      uses: actions/cache/restore@v4
       with:
         path: /timelord/
         key: ${{ inputs.key }}
@@ -40,7 +40,7 @@ runs:
       shell: bash
       run: timelord sync --source-dir ${{ inputs.path }} --cache-dir /timelord/
     - name: Save timelord
-      uses: actions/cache/save@v3
+      uses: actions/cache/save@v4
       with:
         path: /timelord/
         key: ${{ inputs.key }}

.forgejo/workflows/documentation.yml

@@ -60,7 +60,7 @@ jobs:
           node-version: 22
 
       - name: Cache npm dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.npm
           key: ${{ steps.runner-env.outputs.slug }}-node-${{ hashFiles('**/package-lock.json') }}

.forgejo/workflows/release-image.yml

@@ -157,7 +157,7 @@ jobs:
 
       - name: Cache Rust registry
         if: ${{ env.BUILDKIT_ENDPOINT == '' }}
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             .cargo/git
@@ -168,7 +168,7 @@ jobs:
       - name: Cache cargo target
         if: ${{ env.BUILDKIT_ENDPOINT == '' }}
         id: cache-cargo-target
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             cargo-target-${{ matrix.target_cpu }}-${{ matrix.slug }}-${{ matrix.profile }}
@@ -176,7 +176,7 @@ jobs:
       - name: Cache apt cache
         if: ${{ env.BUILDKIT_ENDPOINT == '' }}
         id: cache-apt
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             var-cache-apt-${{ matrix.slug }}
@@ -184,7 +184,7 @@ jobs:
       - name: Cache apt lib
         if: ${{ env.BUILDKIT_ENDPOINT == '' }}
         id: cache-apt-lib
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             var-lib-apt-${{ matrix.slug }}