build(deps): bump linkerd/dev from 48 to 50 (#4582)

Bumps [linkerd/dev](https://github.com/linkerd/dev) from 48 to 50.
- [Release notes](https://github.com/linkerd/dev/releases)
- [Commits](linkerd/dev@v48...v50)

---
updated-dependencies:
- dependency-name: linkerd/dev
  dependency-version: '50'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/pr.yml

@@ -76,7 +76,7 @@ jobs:
     if: needs.meta.outputs.actions_changed == 'true'
     runs-on: ${{ vars.LINKERD2_PROXY_RUNNER || 'ubuntu-24.04' }}
     steps:
-      - uses: linkerd/dev/actions/setup-tools@v48
+      - uses: linkerd/dev/actions/setup-tools@v50
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
       - run: just action-lint
       - run: just action-dev-check
@@ -127,7 +127,7 @@ jobs:
     env:
       WAIT_TIMEOUT: 2m
     steps:
-      - uses: linkerd/dev/actions/setup-tools@v48
+      - uses: linkerd/dev/actions/setup-tools@v50
       - name: scurl https://run.linkerd.io/install-edge | sh
         run: |
           scurl https://run.linkerd.io/install-edge | sh

.github/workflows/shellcheck.yml

@@ -15,6 +15,6 @@ jobs:
     timeout-minutes: 5
     runs-on: ${{ vars.LINKERD2_PROXY_RUNNER || 'ubuntu-24.04' }}
     steps:
-      - uses: linkerd/dev/actions/setup-tools@v48
+      - uses: linkerd/dev/actions/setup-tools@v50
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
       - run: just sh-lint

.github/workflows/toolchain.yml

@@ -37,7 +37,7 @@ jobs:
   workflows:
     runs-on: ${{ vars.LINKERD2_PROXY_RUNNER || 'ubuntu-24.04' }}
     steps:
-      - uses: linkerd/dev/actions/setup-tools@v48
+      - uses: linkerd/dev/actions/setup-tools@v50
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
       - shell: bash
         run: |