chore(deps): update actions/checkout action to v6

| datasource  | package          | from   | to     |
| ----------- | ---------------- | ------ | ------ |
| github-tags | actions/checkout | v4     | v6     |
| github-tags | actions/checkout | v5     | v6     |
| github-tags | actions/checkout | v4.3.1 | v6.0.1 |


Signed-off-by: renovate-sh-app[bot] <219655108+renovate-sh-app[bot]@users.noreply.github.com>

Author: renovate-sh-app[bot]

.github/workflows/cloudformation.yml

@@ -9,7 +9,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
         with:
           persist-credentials: false
 

.github/workflows/docs-ci.yml

@@ -12,7 +12,7 @@ jobs:
     outputs:
       any_changed: ${{ steps.changed-files.outputs.any_changed }}
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - uses: step-security/changed-files@95b56dadb92a30ca9036f16423fd3c088a71ee94 # v46.0.5
         id: changed-files
         with:

.github/workflows/go.yml

@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
         with:
           persist-credentials: false
       - name: Setup Go

.github/workflows/publish-technical-documentation-next.yml

@@ -15,7 +15,7 @@ jobs:
       id-token: write
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
         with:
           persist-credentials: false
       - uses: grafana/writers-toolkit/publish-technical-documentation@9aed4f7c5b3caa1b58d72ee39232333407d4acbf # publish-technical-documentation/v1 # zizmor: ignore[unpinned-uses]

.github/workflows/release.yml

@@ -12,7 +12,7 @@ jobs:
       id-token: write
 
     steps:
-      - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
       - name: Setup Go
         uses: actions/setup-go@4dc6199c7b1a012772edbd06daecab0f50c9053c # v6
         with: