Bump actions/checkout from 5 to 6 in the github_actions group

Bumps the github_actions group with 1 update: [actions/checkout](https://github.com/actions/checkout).


Updates `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
  dependency-group: github_actions
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/.github/workflows/0-on-demand.yaml b/.github/workflows/0-on-demand.yaml
index b80c6e2..efedf14 100644
--- a/.github/workflows/0-on-demand.yaml
+++ b/.github/workflows/0-on-demand.yaml
@@ -70,7 +70,7 @@
     continue-on-error: false
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: "Setup"
         run: ./tools/github/setup.sh
       - name: Maximize free space
diff --git a/.github/workflows/1-unit.yaml b/.github/workflows/1-unit.yaml
index 8e96513..97a5155 100644
--- a/.github/workflows/1-unit.yaml
+++ b/.github/workflows/1-unit.yaml
@@ -60,7 +60,7 @@
     continue-on-error: false
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: "Setup"
         run: ./tools/github/setup.sh
       - name: Maximize free space
diff --git a/.github/workflows/2-system.yaml b/.github/workflows/2-system.yaml
index 596d632..8f340d0 100644
--- a/.github/workflows/2-system.yaml
+++ b/.github/workflows/2-system.yaml
@@ -55,7 +55,7 @@
     continue-on-error: false
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: "Setup"
         run: ./tools/github/setup.sh
       - name: Maximize free space
diff --git a/.github/workflows/3-multi-runtime.yaml b/.github/workflows/3-multi-runtime.yaml
index 28da7cb..cdc7c6a 100644
--- a/.github/workflows/3-multi-runtime.yaml
+++ b/.github/workflows/3-multi-runtime.yaml
@@ -55,7 +55,7 @@
     continue-on-error: false
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: "Setup"
         run: ./tools/github/setup.sh
       - name: Maximize free space
diff --git a/.github/workflows/4-standalone.yaml b/.github/workflows/4-standalone.yaml
index eceebf4..622f211 100644
--- a/.github/workflows/4-standalone.yaml
+++ b/.github/workflows/4-standalone.yaml
@@ -55,7 +55,7 @@
     continue-on-error: false
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: "Setup"
         run: ./tools/github/setup.sh
       - name: Maximize free space
diff --git a/.github/workflows/5-scheduler.yaml b/.github/workflows/5-scheduler.yaml
index dfa479b..a860d7c 100644
--- a/.github/workflows/5-scheduler.yaml
+++ b/.github/workflows/5-scheduler.yaml
@@ -55,7 +55,7 @@
     continue-on-error: false
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: "Setup"
         run: ./tools/github/setup.sh
       - name: Maximize free space
diff --git a/.github/workflows/6-performance.yaml b/.github/workflows/6-performance.yaml
index ac2cde6..a0efbf4 100644
--- a/.github/workflows/6-performance.yaml
+++ b/.github/workflows/6-performance.yaml
@@ -55,7 +55,7 @@
     continue-on-error: false
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: "Setup"
         run: ./tools/github/setup.sh
       - name: Maximize free space