Update actions/cache action to v4.1.2

| datasource  | package       | from   | to     |
| ----------- | ------------- | ------ | ------ |
| github-tags | actions/cache | v4.1.1 | v4.1.2 |


Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/build.yml

@@ -40,7 +40,7 @@ jobs:
           ref: ${{ inputs.tag != '' && format('refs/tags/v{0}', inputs.tag) || github.ref }}
 
       - name: Fetch Cached Artifacts
-        uses: actions/cache@3624ceb22c1c5a301c8db4169662070a689d9ea8 # v4.1.1
+        uses: actions/cache@6849a6489940f00c2f30c0fb92c6274307ccb58a # v4.1.2
         with:
           path: ${{ github.workspace }}/dist
           key: nginx-gateway-fabric-${{ github.run_id }}-${{ github.run_number }}

.github/workflows/ci.yml

@@ -204,7 +204,7 @@ jobs:
           TELEMETRY_ENDPOINT_INSECURE: "false"
 
       - name: Cache Artifacts
-        uses: actions/cache@3624ceb22c1c5a301c8db4169662070a689d9ea8 # v4.1.1
+        uses: actions/cache@6849a6489940f00c2f30c0fb92c6274307ccb58a # v4.1.2
         with:
           path: ${{ github.workspace }}/dist
           key: nginx-gateway-fabric-${{ github.run_id }}-${{ github.run_number }}

.github/workflows/helm.yml

@@ -25,7 +25,7 @@ jobs:
           fetch-depth: 0
 
       - name: Fetch Cached Artifacts
-        uses: actions/cache@3624ceb22c1c5a301c8db4169662070a689d9ea8 # v4.1.1
+        uses: actions/cache@6849a6489940f00c2f30c0fb92c6274307ccb58a # v4.1.2
         with:
           path: ${{ github.workspace }}/dist
           key: nginx-gateway-fabric-${{ github.run_id }}-${{ github.run_number }}