Fix typo

.github/workflows/build.yml

@@ -39,7 +39,7 @@ jobs:
           ccache --set-config=cache_dir=${HOME}/.cache
           ccache --set-config=compression=true
       - name: Build extra dependencies
-        env: |
+        env:
           PKG_CONFIG_PATH: /usr/lib/aarch64-linux-gnu/pkgconfig
         run: |
           export PATH="/usr/lib/ccache:${PATH}"
@@ -88,7 +88,7 @@ jobs:
           ccache --set-config=cache_dir=${HOME}/.cache
           ccache --set-config=compression=true
       - name: Build extra dependencies
-        env: |
+        env:
           PKG_CONFIG_PATH: /usr/lib/arm-linux-gnueabihf/pkgconfig
         run: |
           export PATH="/usr/lib/ccache:${PATH}"
@@ -133,7 +133,7 @@ jobs:
           ccache --set-config=cache_dir=${HOME}/.cache
           ccache --set-config=compression=true
       - name: Build extra dependencies
-        env: |
+        env:
           PKG_CONFIG_PATH: /usr/lib/i386-linux-gnu/pkgconfig
         run: |
           export PATH="/usr/lib/ccache:${PATH}"