build(deps): bump linkerd/dev from 46 to 48

Bumps [linkerd/dev](https://github.com/linkerd/dev) from 46 to 48.
- [Commits](linkerd/dev@v46...v48)

---
updated-dependencies:
- dependency-name: linkerd/dev
  dependency-version: '48'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/pr.yml

@@ -163,8 +163,8 @@ jobs:
     timeout-minutes: 10
     runs-on: ubuntu-24.04
     steps:
-      - uses: linkerd/dev/actions/setup-tools@v46
-      - uses: linkerd/dev/actions/setup-rust@v46
+      - uses: linkerd/dev/actions/setup-tools@v48
+      - uses: linkerd/dev/actions/setup-rust@v48
         with:
           version: ${{ matrix.rust }}
           components: clippy
@@ -219,8 +219,8 @@ jobs:
     env:
       KUBERT_TEST_CLUSTER_VERSION: ${{ matrix.k8s }}
     steps:
-      - uses: linkerd/dev/actions/setup-tools@v46
-      - uses: linkerd/dev/actions/setup-rust@v46
+      - uses: linkerd/dev/actions/setup-tools@v48
+      - uses: linkerd/dev/actions/setup-rust@v48
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
       - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1
       - run: just fetch
@@ -253,8 +253,8 @@ jobs:
       KUBERT_TEST_CLUSTER_VERSION: ${{ matrix.k8s }}
       KUBERT_TEST_NS: kubert-test
     steps:
-      - uses: linkerd/dev/actions/setup-tools@v46
-      - uses: linkerd/dev/actions/setup-rust@v46
+      - uses: linkerd/dev/actions/setup-tools@v48
+      - uses: linkerd/dev/actions/setup-rust@v48
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
       - run: just build-examples-image
       - run: just test-cluster-create
@@ -273,8 +273,8 @@ jobs:
     timeout-minutes: 10
     runs-on: ubuntu-24.04
     steps:
-      - uses: linkerd/dev/actions/setup-tools@v46
-      - uses: linkerd/dev/actions/setup-rust@v46
+      - uses: linkerd/dev/actions/setup-tools@v48
+      - uses: linkerd/dev/actions/setup-rust@v48
         with:
           version: ${{ matrix.rust }}
           components: clippy
@@ -295,8 +295,8 @@ jobs:
     timeout-minutes: 10
     runs-on: ubuntu-24.04
     steps:
-      - uses: linkerd/dev/actions/setup-tools@v46
-      - uses: linkerd/dev/actions/setup-rust@v46
+      - uses: linkerd/dev/actions/setup-tools@v48
+      - uses: linkerd/dev/actions/setup-rust@v48
         with:
           version: ${{ matrix.rust }}
           components: clippy