build: cache: fix date

Signed-off-by: Eliminater74 <eliminater74@gmail.com>

Author: Eliminater74

.github/workflows/build-openwrt.yml

@@ -173,7 +173,6 @@ jobs:
         id: date
         run: |
           echo "::set-output name=date::$(date +'%s')"
-
 ### ----------------------------------------------------------------- ###
       - name: Clone OpenWRT source code
         working-directory: /workdir
@@ -402,7 +401,7 @@ jobs:
           path: |
             ${{ github.workspace }}/openwrt/feeds/packages
             ${{ github.workspace }}/openwrt/feeds/luci
-          key: ${{ env.CACHE_NAME }}-${{ runner.os }}-${{ env.DATE }}
+          key: ${{ env.CACHE_NAME }}-${{ runner.os }}-${{ steps.date.outputs.date }}
 ### ----------------------------------------------------------------- ###
       - name: 'Restore build Directory from cache'
         id: build-cache
@@ -412,7 +411,7 @@ jobs:
           CACHE_NAME: 'build-cache'
         with:
           path: ${{ github.workspace }}/openwrt/build_dir
-          key: ${{ env.CACHE_NAME }}-${{ runner.os }}-${{ env.DATE }}
+          key: ${{ env.CACHE_NAME }}-${{ runner.os }}-${{ steps.date.outputs.date }}
 ### ----------------------------------------------------------------- ###
       - name: 'Restore staging Directory from cache'
         id: staging-cache
@@ -422,7 +421,7 @@ jobs:
           CACHE_NAME: 'staging-cache'
         with:
           path: ${{ github.workspace }}/openwrt/staging_dir
-          key: ${{ env.CACHE_NAME }}-${{ runner.os }}-${{ env.DATE }}
+          key: ${{ env.CACHE_NAME }}-${{ runner.os }}-${{ steps.date.outputs.date }}
 ### ----------------------------------------------------------------- ###
       - name: 'Restore package Directory from cache'
         id: package-cache
@@ -432,7 +431,7 @@ jobs:
           CACHE_NAME: 'package-cache'
         with:
           path: ${{ github.workspace }}/openwrt/package
-          key: ${{ env.CACHE_NAME }}-${{ runner.os }}-${{ env.DATE }}
+          key: ${{ env.CACHE_NAME }}-${{ runner.os }}-${{ steps.date.outputs.date }}
 ### ----------------------------------------------------------------- ###
       - name: 'Restore downloads Directory from cache'
         id: dl-cache
@@ -442,7 +441,7 @@ jobs:
           CACHE_NAME: 'dl-cache'
         with:
           path: ${{ github.workspace }}/openwrt/dl
-          key: ${{ env.CACHE_NAME }}-${{ runner.os }}-${{ env.DATE }}
+          key: ${{ env.CACHE_NAME }}-${{ runner.os }}-${{ steps.date.outputs.date }}
  ### ----------------------------------------------------------------- ###
       - name: 'Restore build_dir/toolchain Directory from cache'
         id: build_dir_toolchain-cache
@@ -452,7 +451,7 @@ jobs:
           CACHE_NAME: 'build_dir_toolchain-cache'
         with:
           path: ${{ github.workspace }}/openwrt/build_dir/toolchain-*
-          key: ${{ env.CACHE_NAME }}-${{ runner.os }}-${{ env.DATE }}
+          key: ${{ env.CACHE_NAME }}-${{ runner.os }}-${{ steps.date.outputs.date }}
  ### ----------------------------------------------------------------- ###
       - name: 'Restore build_dir/target Directory from cache'
         id: build_dir_target-cache
@@ -462,7 +461,7 @@ jobs:
           CACHE_NAME: 'build_dir_target-cache'
         with:
           path: ${{ github.workspace }}/openwrt/build_dir/target-*
-          key: ${{ env.CACHE_NAME }}-${{ runner.os }}-${{ env.DATE }}
+          key: ${{ env.CACHE_NAME }}-${{ runner.os }}-${{ steps.date.outputs.date }}
  ### ----------------------------------------------------------------- ###
       - name: 'Restore build_dir/host Directory from cache'
         id: build_dir_host-cache
@@ -472,7 +471,7 @@ jobs:
           CACHE_NAME: 'build_dir_host-cache'
         with:
           path: ${{ github.workspace }}/openwrt/build_dir/host
-          key: ${{ env.CACHE_NAME }}-${{ runner.os }}-${{ env.DATE }}
+          key: ${{ env.CACHE_NAME }}-${{ runner.os }}-${{ steps.date.outputs.date }}
  ### ----------------------------------------------------------------- ###
       - name: 'Restore build_dir/hostpkg Directory from cache'
         id: build_dir_hostpkg-cache
@@ -482,7 +481,7 @@ jobs:
           CACHE_NAME: 'build_dir_hostpkg-cache'
         with:
           path: ${{ github.workspace }}/openwrt/build_dir/hostpkg
-          key: ${{ env.CACHE_NAME }}-${{ runner.os }}-${{ env.DATE }}
+          key: ${{ env.CACHE_NAME }}-${{ runner.os }}-${{ steps.date.outputs.date }}
  ### ----------------------------------------------------------------- ###
       - name: 'Restore .ccache from cache'
         id: ccache-cache
@@ -492,7 +491,7 @@ jobs:
           CACHE_NAME: 'ccache-cache'
         with:
           path: ${{ github.workspace }}/openwrt/.ccache
-          key: ${{ env.CACHE_NAME }}-${{ runner.os }}-${{ env.DATE }}
+          key: ${{ env.CACHE_NAME }}-${{ runner.os }}-${{ steps.date.outputs.date }}
 ### ----------------------------------------------------------------- ###
       - name: Setup cache for OpenWRT (ccache)
         id: ccache