`sdl2_image`: fix downloading #2157

Job	Run time
Flake8 tests	20s
documentation	30s
Test updated recipes for arch arm64-v8a [ ubuntu-latest ]	1m 5s
Test updated recipes for arch armeabi-v7a [ ubuntu-latest ]	1m 3s
Build test APP [ ubuntu-latest \| webview ]	1m 5s
Build test APP [ ubuntu-latest \| sdl2 ]	1m 7s
Test updated recipes for arch x86 [ ubuntu-latest ]	1m 2s
Test updated recipes for arch x86_64 [ ubuntu-latest ]	1m 1s
Build test APP [ ubuntu-latest \| service_library ]	1m 6s
Build test APP [ ubuntu-latest \| qt ]	1m 7s
Build test APP [ macos-latest \| sdl2 ]	1s
Build test APP [ macos-latest \| webview ]	1m 7s
Pytest [Python 3.8 \| ubuntu-latest]	1m 5s
Build test APP [ macos-13 \| sdl2 ]	1s
Build test APP [ macos-13 \| webview ]	1m 8s
Pytest [Python 3.9 \| macOs-latest]	1m 6s
Pytest [Python 3.9 \| ubuntu-latest]	1m 5s
Pytest [Python 3.10 \| macOs-latest]	1m 8s
Pytest [Python 3.11 \| macOs-latest]	1m 10s
Pytest [Python 3.8 \| macOs-latest]	1s
Pytest [Python 3.10 \| ubuntu-latest]	1m 7s
Test updated recipes for arch arm64-v8a [ macos-13 ]	1s
Test updated recipes for arch arm64-v8a [ macos-latest ]	1s
Test updated recipes for arch x86_64 [ macos-latest ]	1s
Test updated recipes for arch armeabi-v7a [ macos-latest ]	1s
Test updated recipes for arch x86 [ macos-latest ]	1s
Test updated recipes for arch armeabi-v7a [ macos-13 ]	1s
Test updated recipes for arch x86 [ macos-13 ]	1s
Test updated recipes for arch x86_64 [ macos-13 ]	1s
Pytest [Python 3.11 \| ubuntu-latest]	1m 7s
coveralls_finish	1s
	19m 41s

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