gst-* 1.18.4 ver. bump

multimedia/video/gstreamer/pspec.xml

@@ -13,7 +13,7 @@
         <IsA>app:console</IsA>
         <Summary>GStreamer streaming media framework runtime</Summary>
         <Description>GStreamer is a streaming media framework, based on graphs of filters which operate on media data. Applications using this library can do anything from real-time sound processing to playing videos, and just about anything else media-related.</Description>
-        <Archive sha1sum="9daaf26def895882af1510e5e530f76bc19fda98" type="tarxz">https://gstreamer.freedesktop.org/src/gstreamer/gstreamer-1.18.3.tar.xz</Archive>
+        <Archive sha1sum="7c28ba58cc535c072a5d13d949dc324998df257a" type="tarxz">https://gstreamer.freedesktop.org/src/gstreamer/gstreamer-1.18.4.tar.xz</Archive>
         <BuildDependencies>
             <Dependency>meson</Dependency>
             <Dependency>gobject-introspection-devel</Dependency>
@@ -128,6 +128,13 @@
     </Package-->
 
     <History>
+        <Update release="12">
+            <Date>2021-06-14</Date>
+            <Version>1.18.4</Version>
+            <Comment>Version bump.</Comment>
+            <Name>Mustafa Cinasal</Name>
+            <Email>muscnsl@gmail.com</Email>
+        </Update>
         <Update release="11">
             <Date>2021-01-18</Date>
             <Version>1.18.3</Version>