Bump actions/checkout from 5 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/ci-features-admin.yml

@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - name: Checkout this repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Configure sysctl limits
         run: |

.github/workflows/ci-features-comments.yml

@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - name: Checkout this repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Configure sysctl limits
         run: |

.github/workflows/ci-features-conversations.yml

@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - name: Checkout this repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Configure sysctl limits
         run: |

.github/workflows/ci-features-crops.yml

@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - name: Checkout this repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Configure sysctl limits
         run: |

.github/workflows/ci-features-gardens.yml

@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - name: Checkout this repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Configure sysctl limits
         run: |

.github/workflows/ci-features-harvests.yml

@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - name: Checkout this repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Configure sysctl limits
         run: |

.github/workflows/ci-features-home.yml

@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - name: Checkout this repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Configure sysctl limits
         run: |

.github/workflows/ci-features-members.yml

@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - name: Checkout this repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Configure sysctl limits
         run: |

.github/workflows/ci-features-places.yml

@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - name: Checkout this repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Configure sysctl limits
         run: |

.github/workflows/ci-features-plantings.yml

@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - name: Checkout this repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Configure sysctl limits
         run: |

.github/workflows/ci-features-posts.yml

@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - name: Checkout this repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Configure sysctl limits
         run: |

.github/workflows/ci-features-seeds.yml

@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - name: Checkout this repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Configure sysctl limits
         run: |

.github/workflows/ci-features-timeline.yml

@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - name: Checkout this repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Configure sysctl limits
         run: |

.github/workflows/ci-features.yml

@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - name: Checkout this repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Configure sysctl limits
         run: |

.github/workflows/ci.yml

@@ -6,7 +6,7 @@ jobs:
   contributors:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Install ruby version specified in .ruby-version
         uses: ruby/setup-ruby@v1
         with:
@@ -53,7 +53,7 @@ jobs:
 
     steps:
       - name: Checkout this repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Configure sysctl limits
         run: |