chore(deps): Update actions/cache action to v5

Author: cq-bot

.github/workflows/lint_golang.yml

@@ -23,7 +23,7 @@ jobs:
           # We use a manually configured cache key to avoid conflicts with the test action cache
           # See https://github.com/actions/setup-go/issues/358
           cache: false
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: |
             ~/.cache/go-build

.github/workflows/regen.yml

@@ -20,7 +20,7 @@ jobs:
           # We use a manually configured cache key to avoid conflicts with the test action cache
           # See https://github.com/actions/setup-go/issues/358
           cache: false
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: |
             ~/.cache/go-build