script: Poetry migration to uv for Fedora build

Fixes current error:
```
ERROR: Invalid requirement: 'Updating dependencies': Expected end or semicolon (after name and no valid version specifier)
```

contrib/docker/Dockerfile.builder.fedora

@@ -22,9 +22,12 @@ RUN dnf update -y && \
 		git \
 		jq \
 		xz \
-		zlib-devel && \
+		zlib-devel \
+		cargo && \
 	dnf clean all
 
+RUN python3 -m pip install uv
+
 RUN wget https://bitcoincore.org/bin/bitcoin-core-$BITCOIN_VERSION/bitcoin-$BITCOIN_VERSION-x86_64-linux-gnu.tar.gz -O bitcoin.tar.gz && \
     tar -xvzf bitcoin.tar.gz && \
     mv bitcoin-$BITCOIN_VERSION/bin/bitcoin* /usr/local/bin/ && \

tools/build-release.sh

@@ -11,8 +11,8 @@ if [ "$1" = "--inside-docker" ]; then
     git config --global --add safe.directory /src/.git
     git clone /src /build
     cd /build || exit
-    poetry export --without-hashes > /tmp/requirements.txt
-    python3 -m pip install -r /tmp/requirements.txt
+    uv export --format requirements.txt > /tmp/requirements.txt
+    uv pip install -r /tmp/requirements.txt
     ./configure
     make VERSION="$VER"
     make install DESTDIR=/"$VER-$PLTFM-$PLTFMVER-$ARCH" RUST_PROFILE=release