chore: remove ecdsa in favor of coincurve (#3746)

poetry.lock

@@ -4638,4 +4638,4 @@ migration = ["psycopg2-binary"]
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.10,<3.13"
-content-hash = "6c17d723baa390c36ecf6f861166878f2619acd47f878cf9253c5614ba25b9ea"
+content-hash = "f63a5be62359f837513e01a8b0e5282a3b4509ea97439ba0c8226ccf3c158ceb"

pyproject.toml

@@ -9,7 +9,6 @@ readme = "README.md"
 dependencies = [
     "bech32==1.2.0",
     "click==8.3.1",
-    "ecdsa==0.19.1",
     "fastapi==0.116.1",
     "starlette==0.47.1",
     "httpx==0.27.2",

uv.lock

@@ -1256,7 +1256,6 @@ dependencies = [
     { name = "bech32" },
     { name = "bolt11" },
     { name = "click" },
-    { name = "ecdsa" },
     { name = "embit" },
     { name = "fastapi" },
     { name = "fastapi-sso" },
@@ -1340,7 +1339,6 @@ requires-dist = [
     { name = "breez-sdk", marker = "extra == 'breez'", specifier = "==0.8.0" },
     { name = "breez-sdk-liquid", marker = "extra == 'breez'", specifier = "==0.11.11" },
     { name = "click", specifier = "==8.3.1" },
-    { name = "ecdsa", specifier = "==0.19.1" },
     { name = "embit", specifier = "==0.8.0" },
     { name = "fastapi", specifier = "==0.116.1" },
     { name = "fastapi-sso", specifier = "==0.19.0" },