Bump actions/setup-go from 6.3.0 to 6.4.0

Bumps [actions/setup-go](https://github.com/actions/setup-go) from 6.3.0 to 6.4.0.
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](actions/setup-go@4b73464...4a36011)

---
updated-dependencies:
- dependency-name: actions/setup-go
  dependency-version: 6.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/ca-benchmark.yaml

@@ -27,7 +27,7 @@ jobs:
           path: base
 
       - name: Set up Go
-        uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v6.3.0
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version-file: pr/cluster-autoscaler/go.mod
           cache-dependency-path: pr/cluster-autoscaler/go.sum

.github/workflows/ca-test.yaml

@@ -25,7 +25,7 @@ jobs:
           path: ${{ env.GOPATH }}/src/k8s.io/autoscaler
 
       - name: Set up Go
-        uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v6.3.0
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: '1.25'
           cache-dependency-path: |

.github/workflows/verify.yaml

@@ -21,7 +21,7 @@ jobs:
           path: ${{ env.GOPATH }}/src/k8s.io/autoscaler
 
       - name: Set up Go
-        uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v6.3.0
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: '1.25'
           cache-dependency-path: |

.github/workflows/vpa-golangci-lint.yaml

@@ -24,7 +24,7 @@ jobs:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           path: ${{ env.GOPATH }}/src/k8s.io/autoscaler
-      - uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v6.3.0
+      - uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version-file: '${{ env.GOPATH}}/src/k8s.io/autoscaler/vertical-pod-autoscaler/go.mod'
           cache-dependency-path: |

.github/workflows/vpa-test.yaml

@@ -27,7 +27,7 @@ jobs:
           path: ${{ env.GOPATH }}/src/k8s.io/autoscaler
 
       - name: Set up Go
-        uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v6.3.0
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version-file: '${{ env.GOPATH}}/src/k8s.io/autoscaler/vertical-pod-autoscaler/go.mod'
           cache-dependency-path: |