Update cmake and workflow files that were somehow outdated

.github/workflows/release.yml

@@ -297,7 +297,6 @@ jobs:
           SDL2-devel \
           wget \
           xz-devel \
-          libzstd-devel \
           zlib-devel \
           # EOF
         echo "::endgroup::"
@@ -413,7 +412,6 @@ jobs:
           libfluidsynth-dev \
           libicu-dev \
           liblzma-dev \
-          libzstd-dev \
           liblzo2-dev \
           libsdl2-dev \
           lsb-release \
@@ -498,7 +496,7 @@ jobs:
       uses: actions/cache@v2
       with:
         path: /usr/local/share/vcpkg/installed
-        key: ${{ steps.key.outputs.image }}-vcpkg-release-1 # Increase the number whenever dependencies are modified
+        key: ${{ steps.key.outputs.image }}-vcpkg-release-0 # Increase the number whenever dependencies are modified
         restore-keys: |
           ${{ steps.key.outputs.image }}-vcpkg-release
           ${{ steps.key.outputs.image }}-vcpkg-x64
@@ -508,8 +506,6 @@ jobs:
         vcpkg install \
           liblzma:x64-osx \
           liblzma:arm64-osx \
-          zstd:x64-osx \
-          zstd:arm64-osx \
           libpng:x64-osx \
           libpng:arm64-osx \
           lzo:x64-osx \
@@ -703,7 +699,7 @@ jobs:
       uses: actions/cache@v2
       with:
         path: vcpkg/installed
-        key: ${{ steps.key.outputs.image }}-vcpkg-${{ matrix.arch }}-1 # Increase the number whenever dependencies are modified
+        key: ${{ steps.key.outputs.image }}-vcpkg-${{ matrix.arch }}-0 # Increase the number whenever dependencies are modified
         restore-keys: |
           ${{ steps.key.outputs.image }}-vcpkg-${{ matrix.arch }}
 
@@ -712,7 +708,6 @@ jobs:
       run: |
         vcpkg install --triplet=${{ matrix.arch }}-windows-static \
           liblzma \
-          zstd \
           libpng \
           lzo \
           zlib \
@@ -869,7 +864,7 @@ jobs:
       env:
         AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
         AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
-        AWS_REGION: ${{ secrets.AWS_REGION }}
+        AWS_DEFAULT_REGION: ${{ secrets.AWS_REGION }}
 
     - name: Trigger 'New OpenTTD release'
       uses: peter-evans/repository-dispatch@v1