Update GitHub Actions workflows. (#834)

This PR was triggered by @t0yv0 generated by the
update-workflows-ecosystem-providers workflow in the pulumi/ci-mgmt
repo, from commit
[3b016890d44c5e5e2e184c4b10b07484d9708cc3](3b016890d4).

Co-authored-by: Pulumi Bot <bot@pulumi.com>

.github/actions/setup-tools/action.yml

@@ -14,7 +14,7 @@ runs:
   using: "composite"
   steps:
     - name: Setup mise
-      uses: jdx/mise-action@1c5f70fd400ce6c745085c93ea80026272f8d346
+      uses: jdx/mise-action@ac8a6414ec0fd0713e42c52da2772aab98f5e2b6
       env:
         MISE_FETCH_REMOTE_VERSIONS_TIMEOUT: 30s
       with:

.github/workflows/claude.yml

@@ -56,7 +56,7 @@ jobs:
           PR_NUMBER: ${{ github.event.pull_request.number || github.event.issue.number }}
         run: gh pr checkout "$PR_NUMBER"
       - name: Setup mise
-        uses: jdx/mise-action@1c5f70fd400ce6c745085c93ea80026272f8d346
+        uses: jdx/mise-action@ac8a6414ec0fd0713e42c52da2772aab98f5e2b6
         env:
           MISE_FETCH_REMOTE_VERSIONS_TIMEOUT: 30s
         with:

.github/workflows/lint.yml

@@ -49,7 +49,7 @@ jobs:
         private-key: ${{ steps.esc-secrets.outputs.PULUMI_PROVIDER_AUTOMATION_PRIVATE_KEY }}
         owner: ${{ github.repository_owner }}
     - name: Setup mise
-      uses: jdx/mise-action@1c5f70fd400ce6c745085c93ea80026272f8d346
+      uses: jdx/mise-action@ac8a6414ec0fd0713e42c52da2772aab98f5e2b6
       env:
         MISE_FETCH_REMOTE_VERSIONS_TIMEOUT: 30s
       with: