Update GitHub Actions workflows. (#789)

This PR was triggered by @t0yv0 generated by the
update-workflows-ecosystem-providers workflow in the pulumi/ci-mgmt
repo, from commit
[7dff4f888cb6e5bfa153146d3658d3e86ba74c6f](7dff4f888c).

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

.config/mise.toml

@@ -19,7 +19,7 @@ java = 'corretto-11'
 "github:pulumi/pulumi" = "{{ env.PULUMI_VERSION_MISE }}"
 "github:pulumi/pulumictl" = '0.0.50'
 "github:pulumi/schema-tools" = "0.6.0"
-"go:github.com/pulumi/upgrade-provider" = "0.0.1"
+"go:github.com/pulumi/upgrade-provider" = "main"
 "aqua:gradle/gradle-distributions" = '7.6.6'
 golangci-lint = "1.64.8" # See note about about overrides if you need to customize this.
 "npm:yarn" = "1.22.22"

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

@@ -18,7 +18,7 @@ runs:
       env:
         MISE_FETCH_REMOTE_VERSIONS_TIMEOUT: 30s
       with:
-        version: 2026.2.15
+        version: 2026.3.7
         cache_save: ${{ inputs.cache }}
         github_token: ${{ inputs.github_token }}
 

.github/workflows/claude.yml

@@ -60,7 +60,7 @@ jobs:
         env:
           MISE_FETCH_REMOTE_VERSIONS_TIMEOUT: 30s
         with:
-          version: 2026.2.15
+          version: 2026.3.7
           github_token: ${{ secrets.GITHUB_TOKEN }}
           # only saving the cache in the prerequisites job
           cache_save: false

.github/workflows/lint.yml

@@ -53,7 +53,7 @@ jobs:
       env:
         MISE_FETCH_REMOTE_VERSIONS_TIMEOUT: 30s
       with:
-        version: 2026.2.15
+        version: 2026.3.7
         github_token: ${{ steps.app-auth.outputs.token }}
         cache_save: false # A different job handles caching our tools.
     - name: prepare workspace