build(deps): bump the github-actions group across 2 directories with 2 updates

Bumps the github-actions group with 1 update in the / directory: [google-github-actions/get-secretmanager-secrets](https://github.com/google-github-actions/get-secretmanager-secrets).
Bumps the github-actions group with 1 update in the /.github/actions/bootstrap directory: [actions/setup-go](https://github.com/actions/setup-go).


Updates `google-github-actions/get-secretmanager-secrets` from 2.2.4 to 3.0.0
- [Release notes](https://github.com/google-github-actions/get-secretmanager-secrets/releases)
- [Changelog](https://github.com/google-github-actions/get-secretmanager-secrets/blob/main/CHANGELOG.md)
- [Commits](google-github-actions/get-secretmanager-secrets@50ec04d...bc9c54b)

Updates `actions/setup-go` from 5 to 6
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](actions/setup-go@v5...v6)

---
updated-dependencies:
- dependency-name: google-github-actions/get-secretmanager-secrets
  dependency-version: 3.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
- dependency-name: actions/setup-go
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/actions/bootstrap/action.yml

@@ -12,7 +12,7 @@ runs:
   using: "composite"
   steps:
 
-    - uses: actions/setup-go@v5
+    - uses: actions/setup-go@v6
       with:
         go-version-file: 'go.mod'
 

.github/workflows/smoke-tests.yml

@@ -44,7 +44,7 @@ jobs:
           terraform_version: 1.2.3
       - uses: elastic/oblt-actions/aws/auth@v1
       - uses: elastic/oblt-actions/google/auth@v1
-      - uses: google-github-actions/get-secretmanager-secrets@50ec04d56ddf2740b0bde82926cc742f90e06d2b # v2.2.4
+      - uses: google-github-actions/get-secretmanager-secrets@bc9c54b29fdffb8a47776820a7d26e77b379d262 # v3.0.0
         with:
           export_to_environment: true
           secrets: |-
@@ -55,7 +55,7 @@ jobs:
       # there is a high chance things will stop working
       # This is trying to reduce the chances of that happening.
       # See https://github.com/elastic/observability-test-environments/actions/workflows/cluster-rotate-api-keys.yml
-      - uses: google-github-actions/get-secretmanager-secrets@50ec04d56ddf2740b0bde82926cc742f90e06d2b # v2.2.4
+      - uses: google-github-actions/get-secretmanager-secrets@bc9c54b29fdffb8a47776820a7d26e77b379d262 # v3.0.0
         if: always()
         with:
           export_to_environment: true