CI: Bring repo up to date

.github/actions/setup/action.yml

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+name: Setup environment
+
+inputs:
+  cargo-cache-key:
+    description: The key to cache cargo dependencies. Skips cargo caching if not provided.
+    required: false
+  cargo-cache-fallback-key:
+    description: The fallback key to use when caching cargo dependencies. Default to not using a fallback key.
+    required: false
+  cargo-cache-local-key:
+    description: The key to cache local cargo dependencies. Skips local cargo caching if not provided.
+    required: false
+  clippy:
+    description: Install Clippy if `true`. Defaults to `false`.
+    required: false
+  rustfmt:
+    description: Install Rustfmt if `true`. Defaults to `false`.
+    required: false
+  solana:
+    description: Install Solana if `true`. Defaults to `false`.
+    required: false
+  cli:
+    description: Install CLI dependencies if `true`. Defaults to `false`.
+    required: false
+  purge:
+    description: Purge unused directories if `true`. Defaults to `false`.
+    required: false
+
+runs:
+  using: 'composite'
+  steps:
+    - name: Setup pnpm
+      uses: pnpm/action-setup@v4
+
+    - name: Setup Node.js
+      uses: actions/setup-node@v4
+      with:
+        node-version: 20
+        cache: 'pnpm'
+
+    - name: Purge unused ubuntu runner directories
+      if: ${{ inputs.purge == 'true' }}
+      shell: bash
+      run: |
+        # If there are still disk space issues, try to add more packages from
+        # https://github.com/jlumbroso/free-disk-space
+        sudo rm -rf /usr/share/dotnet
+        sudo rm -rf /usr/share/swift
+        sudo rm -rf /usr/share/mysql
+        sudo rm -rf /usr/share/az_*
+        sudo rm -rf /usr/share/postgresql-common
+        sudo rm -rf /opt/ghc
+        sudo rm -rf /opt/az
+        sudo rm -rf /opt/pipx
+        sudo rm -rf /opt/microsoft
+        sudo rm -rf /opt/google
+        sudo rm -rf /opt/hostedtoolcache
+        sudo rm -rf /usr/local/lib/android
+        sudo rm -rf /usr/local/lib/heroku
+        sudo rm -rf /imagegeneration
+        sudo rm -rf "$AGENT_TOOLSDIRECTORY"
+        sudo docker image prune --all --force
+
+    - name: Install Dependencies
+      run: pnpm install --frozen-lockfile
+      shell: bash
+
+    - name: Set Environment Variables
+      shell: bash
+      run: pnpm zx ./scripts/ci/set-env.mjs
+
+    - name: Install Rustfmt
+      if: ${{ inputs.rustfmt == 'true' }}
+      uses: dtolnay/rust-toolchain@master
+      with:
+        toolchain: ${{ env.TOOLCHAIN_FORMAT }}
+        components: rustfmt
+
+    - name: Install Clippy
+      if: ${{ inputs.clippy == 'true' }}
+      uses: dtolnay/rust-toolchain@master
+      with:
+        toolchain: ${{ env.TOOLCHAIN_LINT }}
+        components: clippy
+
+    - name: Install Solana
+      if: ${{ inputs.solana == 'true' }}
+      uses: solana-program/actions/install-solana@v1
+      with:
+        version: ${{ env.SOLANA_VERSION }}
+        cache: true
+
+    - name: Install CLI dependencies
+      if: ${{ inputs.cli == 'true' }}
+      shell: bash
+      run: sudo apt update && sudo apt install libudev-dev protobuf-compiler -y
+
+    - name: Cache Cargo Dependencies
+      if: ${{ inputs.cargo-cache-key && !inputs.cargo-cache-fallback-key }}
+      uses: actions/cache@v4
+      with:
+        path: |
+          ~/.cargo/bin/
+          ~/.cargo/registry/index/
+          ~/.cargo/registry/cache/
+          ~/.cargo/git/db/
+          target/
+        key: ${{ runner.os }}-${{ inputs.cargo-cache-key }}-${{ hashFiles('**/Cargo.lock') }}
+        restore-keys: ${{ runner.os }}-${{ inputs.cargo-cache-key }}
+
+    - name: Cache Cargo Dependencies With Fallback
+      if: ${{ inputs.cargo-cache-key && inputs.cargo-cache-fallback-key }}
+      uses: actions/cache@v4
+      with:
+        path: |
+          ~/.cargo/bin/
+          ~/.cargo/registry/index/
+          ~/.cargo/registry/cache/
+          ~/.cargo/git/db/
+          target/
+        key: ${{ runner.os }}-${{ inputs.cargo-cache-key }}-${{ hashFiles('**/Cargo.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-${{ inputs.cargo-cache-key }}
+          ${{ runner.os }}-${{ inputs.cargo-cache-fallback-key }}-${{ hashFiles('**/Cargo.lock') }}
+          ${{ runner.os }}-${{ inputs.cargo-cache-fallback-key }}
+
+    - name: Cache Local Cargo Dependencies
+      if: ${{ inputs.cargo-cache-local-key }}
+      uses: actions/cache@v4
+      with:
+        path: |
+          .cargo/bin/
+          .cargo/registry/index/
+          .cargo/registry/cache/
+          .cargo/git/db/
+        key: ${{ runner.os }}-${{ inputs.cargo-cache-local-key }}-${{ hashFiles('**/Cargo.lock') }}
+        restore-keys: ${{ runner.os }}-${{ inputs.cargo-cache-local-key }}

.github/dependabot.yml

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+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+
+version: 2
+updates:
+- package-ecosystem: cargo
+  directory: "/"
+  schedule:
+    interval: daily
+    time: "08:00"
+    timezone: UTC
+  open-pull-requests-limit: 6
+- package-ecosystem: npm
+  directories:
+    - "/"
+    - "/clients/js"
+    - "/clients/js-legacy"
+  schedule:
+    interval: daily
+    time: "09:00"
+    timezone: UTC
+  open-pull-requests-limit: 6

.github/workflows/dependabot-auto-merge.yml

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+name: Dependabot auto-merge
+on: pull_request
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  dependabot:
+    runs-on: ubuntu-latest
+    if: github.event.pull_request.user.login == 'dependabot[bot]' && github.repository_owner == 'solana-program'
+    steps:
+      - name: Enable auto-merge
+        run: gh pr merge --auto --squash "$PR_URL"
+        env:
+          PR_URL: ${{ github.event.pull_request.html_url }}
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}