Bump actions/checkout from 5.0.0 to 6.0.0 in the github-actions group (#26)

Bumps the github-actions group with 1 update:
[actions/checkout](https://github.com/actions/checkout).

Updates `actions/checkout` from 5.0.0 to 6.0.0

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/buildReleaseAndPublish.yml

@@ -32,7 +32,7 @@ jobs:
 
     steps:
       - name: Checkout torch-mlir
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           repository: llvm/torch-mlir
           ref: refs/heads/main

.github/workflows/buildReleaseAndPublishWindows.yml

@@ -35,7 +35,7 @@ jobs:
 
     steps:
       - name: Checkout torch-mlir
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           repository: llvm/torch-mlir
           ref: refs/heads/main