chore(deps): bump actions/cache from 4 to 5 (#820)

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

Author: dependabot[bot]

.github/workflows/publish-docs.yml

@@ -22,7 +22,7 @@ jobs:
           elixir-version: "1.17"
           otp-version: "27.1"
       - name: Restore dependencies cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: deps
           key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}

.github/workflows/release.yml

@@ -16,7 +16,7 @@ jobs:
         elixir-version: '1.15'
         otp-version: '25.3'
     - name: Restore dependencies cache
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: deps
         key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}

.github/workflows/test.yml

@@ -31,7 +31,7 @@ jobs:
         otp-version: ${{ matrix.otp }}
         version-type: strict
     - name: Restore dependencies cache
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       id: cache
       with:
         path: deps
@@ -64,7 +64,7 @@ jobs:
         otp-version: '25.3.2.12'
         version-type: strict
     - name: Restore dependencies cache
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       id: cache
       with:
         path: deps
@@ -95,7 +95,7 @@ jobs:
         otp-version: '26.2.5'
         version-type: strict
     - name: Restore dependencies cache
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       id: cache
       with:
         path: |
@@ -116,7 +116,7 @@ jobs:
     # Doesn't cache PLTs based on mix.lock hash, as Dialyzer can incrementally update even old ones
     # Cache key based on Elixir & Erlang version.
     - name: Restore PLT cache
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       id: plt_cache
       with:
         key: |