Bump actions/cache from 5 to 6

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](actions/cache@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>

Author: dependabot[bot]

.github/workflows/blueskyfeedbot.yml

@@ -20,7 +20,7 @@ jobs:
           script: |
             core.setOutput('cache-key', new Date().valueOf())
       - name: Retrieve cache
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ${{ github.workspace }}/blueskyfeedbot
           key: feed-cache-${{ steps.generate-key.outputs.cache-key }}

.github/workflows/ci-main.yml

@@ -42,7 +42,7 @@ jobs:
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: "3.2"
-      - uses: actions/cache@v5
+      - uses: actions/cache@v6
         with:
           path: |
             vendor/bundle

.github/workflows/ci.yml

@@ -27,7 +27,7 @@ jobs:
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: "3.2"
-      - uses: actions/cache@v5
+      - uses: actions/cache@v6
         with:
           path: |
             vendor/bundle

.github/workflows/cron-commit-cache.yml

@@ -24,7 +24,7 @@ jobs:
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: "3.2"
-      - uses: actions/cache@v5
+      - uses: actions/cache@v6
         with:
           path: |
             vendor/bundle

.github/workflows/deploy.yml

@@ -41,7 +41,7 @@ jobs:
       - uses: actions/setup-node@v7
         with:
           node-version: '19'
-      - uses: actions/cache@v5
+      - uses: actions/cache@v6
         with:
           path: |
             vendor/bundle

.github/workflows/google-form-events.yml

@@ -24,7 +24,7 @@ jobs:
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: "3.2"
-      - uses: actions/cache@v5
+      - uses: actions/cache@v6
         with:
           path: |
             vendor/bundle

.github/workflows/google-form-faqs.yml

@@ -24,7 +24,7 @@ jobs:
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: "3.2"
-      - uses: actions/cache@v5
+      - uses: actions/cache@v6
         with:
           path: |
             vendor/bundle

.github/workflows/google-form-news.yml

@@ -24,7 +24,7 @@ jobs:
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: "3.2"
-      - uses: actions/cache@v5
+      - uses: actions/cache@v6
         with:
           path: |
             vendor/bundle

.github/workflows/google-form-recordings.yml

@@ -24,7 +24,7 @@ jobs:
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: "3.2"
-      - uses: actions/cache@v5
+      - uses: actions/cache@v6
         with:
           path: |
             vendor/bundle

.github/workflows/matrix.yml

@@ -22,7 +22,7 @@ jobs:
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: "3.2"
-      - uses: actions/cache@v5
+      - uses: actions/cache@v6
         with:
           path: |
             vendor/bundle