Update lukka/get-cmake action to v4.2.1

Author: openvpn-inc-ci

.github/workflows/build.yaml

@@ -45,7 +45,7 @@ jobs:
     steps:
       - name: Checkout OpenVPN
         uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
-      - uses: lukka/get-cmake@628dd514bed37cb0a609e84a6186cbbaa2fc0140 # v4.1.2
+      - uses: lukka/get-cmake@9e07ecdcee1b12e5037e42f410b67f03e2f626e1 # v4.2.1
       - name: Install vcpkg
         uses: lukka/run-vcpkg@5e0cab206a5ea620130caf672fce3e4a6b5666a1 # v11.5
         with:
@@ -80,7 +80,7 @@ jobs:
       - name: Checkout OpenVPN
         uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
 
-      - uses: lukka/get-cmake@628dd514bed37cb0a609e84a6186cbbaa2fc0140 # v4.1.2
+      - uses: lukka/get-cmake@9e07ecdcee1b12e5037e42f410b67f03e2f626e1 # v4.2.1
       - name: Restore from cache and install vcpkg
         uses: lukka/run-vcpkg@5e0cab206a5ea620130caf672fce3e4a6b5666a1 # v11.5
         with:
@@ -264,7 +264,7 @@ jobs:
       runs-on: windows-2025
       steps:
       - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
-      - uses: lukka/get-cmake@628dd514bed37cb0a609e84a6186cbbaa2fc0140 # v4.1.2
+      - uses: lukka/get-cmake@9e07ecdcee1b12e5037e42f410b67f03e2f626e1 # v4.2.1
 
       - name: Install rst2html
         run: python -m pip install --upgrade pip docutils
@@ -460,7 +460,7 @@ jobs:
           # versioning=semver-coerced
           repository: aws/aws-lc
           ref: v1.64.0
-      - uses: lukka/get-cmake@628dd514bed37cb0a609e84a6186cbbaa2fc0140 # v4.1.2
+      - uses: lukka/get-cmake@9e07ecdcee1b12e5037e42f410b67f03e2f626e1 # v4.2.1
       - name: "AWS-LC: build"
         run: |
           mkdir build