chore(deps): Update GitHub Actions

| datasource  | package                       | from   | to     |
| ----------- | ----------------------------- | ------ | ------ |
| github-tags | actions/checkout              | v4.3.0 | v5.0.0 |
| github-tags | golangci/golangci-lint-action | v6.5.2 | v8.0.0 |


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

Author: renovate-sh-app[bot]

.github/workflows/check-grafana-compatibility.yml

@@ -17,11 +17,11 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
           path: "./grafana-plugin-sdk-go"
-      - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
           repository: "grafana/grafana"

.github/workflows/check-incompatibility.yml

@@ -17,7 +17,7 @@ jobs:
     permissions:
       contents: read
     steps:
-    - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
+    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       with:
         persist-credentials: false
         path: './grafana-plugin-sdk-go'

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
 
@@ -25,7 +25,7 @@ jobs:
           go-version-file: ./go.mod
 
       - name: Run golangci-lint
-        uses: golangci/golangci-lint-action@55c2c1448f86e01eaae002a5a3a9624417608d84 # v6.5.2
+        uses: golangci/golangci-lint-action@4afd733a84b1f43292c63897423277bb7f4313a9 # v8.0.0
         with:
           version: v1.64.2
           args: |

.github/workflows/validate-protos.yml

@@ -16,7 +16,7 @@ jobs:
       contents: read
     steps:
       # Run `git checkout`
-      - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       # Install the `buf` CLI