Use external_libraries rename feature of GIR

Gir_GstApp.toml

@@ -9,6 +9,8 @@ work_mode = "sys"
 external_libraries = [
     "GLib",
     "GObject",
-    "Gst",
-    "GstBase",
 ]
+
+[external_libraries]
+gstreamer="Gst"
+gstreamer_base="GstBase"

Gir_GstAudio.toml

@@ -9,7 +9,9 @@ work_mode = "sys"
 external_libraries = [
     "GLib",
     "GObject",
-    "Gst",
-    "GstBase",
-    "GstTag",
 ]
+
+[external_libraries]
+gstreamer="Gst"
+gstreamer_base="GstBase"
+gstreamer_tag="GstTag"

Gir_GstBase.toml

@@ -9,5 +9,7 @@ work_mode = "sys"
 external_libraries = [
     "GLib",
     "GObject",
-    "Gst",
 ]
+
+[external_libraries]
+gstreamer="Gst"

Gir_GstMpegts.toml

@@ -9,5 +9,7 @@ work_mode = "sys"
 external_libraries = [
     "GLib",
     "GObject",
-    "Gst",
 ]
+
+[external_libraries]
+gstreamer="Gst"

Gir_GstNet.toml

@@ -10,5 +10,7 @@ external_libraries = [
     "GLib",
     "GObject",
     "Gio",
-    "Gst",
 ]
+
+[external_libraries]
+gstreamer="Gst"

Gir_GstPbutils.toml

@@ -9,8 +9,10 @@ work_mode = "sys"
 external_libraries = [
     "GLib",
     "GObject",
-    "Gst",
-    "GstTag",
-    "GstAudio",
-    "GstVideo",
 ]
+
+[external_libraries]
+gstreamer="Gst"
+gstreamer_tag="GstTag"
+gstreamer_audio="GstAudio"
+gstreamer_video="GstVideo"

Gir_GstPlayer.toml

@@ -9,6 +9,8 @@ work_mode = "sys"
 external_libraries = [
     "GLib",
     "GObject",
-    "Gst",
-    "GstVideo",
 ]
+
+[external_libraries]
+gstreamer="Gst"
+gstreamer_video="GstVideo"

Gir_GstTag.toml

@@ -9,6 +9,8 @@ work_mode = "sys"
 external_libraries = [
     "GLib",
     "GObject",
-    "Gst",
-    "GstBase",
 ]
+
+[external_libraries]
+gstreamer="Gst"
+gstreamer_base="GstBase"

Gir_GstVideo.toml

@@ -9,6 +9,8 @@ work_mode = "sys"
 external_libraries = [
     "GLib",
     "GObject",
-    "Gst",
-    "GstBase",
 ]
+
+[external_libraries]
+gstreamer="Gst"
+gstreamer_base="GstBase"