Release flang #4

https://github.com/yandex/toolchain-registry/releases/tag/flang-v4
commit_hash:a3b8ba31efef53a2c891d8742a98f387b1daff8b

Author: robot-brewer

build/mapping.conf.json

@@ -1537,6 +1537,8 @@
         "5647712429": "{registry_endpoint}/5647712429",
         "5690801745": "{registry_endpoint}/5690801745",
         "5731299437": "{registry_endpoint}/5731299437",
+        "9709107523": "{registry_endpoint}/9709107523",
+        "9709158558": "{registry_endpoint}/9709158558",
         "9095501860": "{registry_endpoint}/9095501860",
         "7320178938": "{registry_endpoint}/7320178938",
         "7335838685": "{registry_endpoint}/7335838685",
@@ -3172,6 +3174,8 @@
         "5647712429": "ymake.exe for win32-clang-cl",
         "5690801745": "ymake.exe for win32-clang-cl",
         "5731299437": "ymake.exe for win32-clang-cl",
+        "9709107523": "ynd-bin-flang-linux-aarch64-d6b035038294768d972efff4d974064e807ead9a",
+        "9709158558": "ynd-bin-flang-linux-x86_64-d6b035038294768d972efff4d974064e807ead9a",
         "9095501860": "ynd-bin-frozen-python3-darwin-arm64-5687bd2c8b4b523b25fa21f0e27dc7a03208f336",
         "7320178938": "ynd-bin-frozen-python3-darwin-arm64-e139f4d2038ecfbb34fbbd77f84c4b63ddcb613b",
         "7335838685": "ynd-bin-frozen-python3-darwin-arm64-eacbfe8057414a218b407c837c9dcd8f2162f810",