Updated actions/checkout action to v5. (#277)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/helm-tests.yml

@@ -15,7 +15,7 @@ jobs:
   helm-tests:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - uses: d3adb5/helm-unittest-action@v2
         with:
@@ -33,7 +33,7 @@ jobs:
     needs: helm-tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v5
 
       - name: Start a local k3s cluster
         uses: jupyterhub/action-k3s-helm@v4

.github/workflows/release.yml

@@ -13,7 +13,7 @@ jobs:
     if: ${{ !startsWith(github.ref, 'refs/tags/eoapi-') }}  # prevent the helm chart releaser from running this release workflow
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
 

.github/workflows/stac-browser.yml

@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: Checkout STAC Browser repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           repository: radiantearth/stac-browser
           ref: ${{ github.event.inputs.STAC_BROWSER_VERSION }}