Auto merge of #23084 - BennyS91:patch-1, r=jdm

Update README.md - fixes Requirements for Fedora

Adds missing `libX11-devel` package for Fedora. Required for building.

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libX11-devel is missing in the required dependencies for Fedora. Required for building under Feodra.

---
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- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix building under fedora

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- [ ] There are tests for these changes OR
- [X] These changes do not require tests because it's just the Readme.md

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README.md

@@ -142,7 +142,7 @@ If this doesn't work, file a bug, and, run the commands below:
 sudo dnf install curl libtool gcc-c++ libXi-devel \
     freetype-devel mesa-libGL-devel mesa-libEGL-devel glib2-devel libX11-devel libXrandr-devel gperf \
     fontconfig-devel cabextract ttmkfdir python2 python2-virtualenv python2-pip expat-devel \
-    rpm-build openssl-devel cmake bzip2-devel libXcursor-devel libXmu-devel mesa-libOSMesa-devel \
+    rpm-build openssl-devel cmake bzip2-devel libX11-devel libXcursor-devel libXmu-devel mesa-libOSMesa-devel \
     dbus-devel ncurses-devel harfbuzz-devel ccache mesa-libGLU-devel clang clang-libs gstreamer1-devel \
     gstreamer1-plugins-base-devel gstreamer1-plugins-bad-free-devel autoconf213
 ```