chore(deps): update actions/cache action to v5 (#130)

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/main.yml

@@ -32,7 +32,7 @@ jobs:
         uses: actions/checkout@v6
 
       # cache go modules
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           # In order:
           # * Module download cache

.github/workflows/release.yaml

@@ -28,7 +28,7 @@ jobs:
         uses: actions/setup-go@v6
         with:
           go-version: stable
-      - uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
+      - uses: actions/cache@a7833574556fa59680c1b7cb190c1735db73ebf0 # v5.0.0
         with:
           path: |
             ~/.cache/go-build