packaging: replace `debs` folder by `artifacts`

In order to support new distribution not using .deb file format,
it should be better to call export folder `artifacts` instead of `debs`.

Change-Id: I21524fe535a4297851d87a66f2000a27efa565cc

extras/packaging/build_packages.sh

@@ -112,7 +112,7 @@ build_target() {
     remainning_builds=$((remainning_builds+1))
     (
         docker run --rm \
-            -v "$(pwd)/$target/":/build/debs \
+            -v "$(pwd)/$target/":/build/artifacts \
             -e PKG_NAME="$FOLDER_NAME" "dhtnet-builder:$target" > "$target/build.log" 2>&1;
         if [ $? -eq 0 ]; then
             rm -f -- $target/build-at-*

extras/packaging/gnu-linux/debian-10.Dockerfile

@@ -10,7 +10,7 @@ RUN apt-get update && \
     apt-get install -y \
         dialog apt-utils make devscripts build-essential debmake lintian \
     && apt-get clean && \
-    mkdir -p /build/debs
+    mkdir -p /build/artifacts
 
 RUN apt-get update && apt-get install -y \
         build-essential pkg-config cmake dpkg-dev gcc g++ git wget \
@@ -32,4 +32,4 @@ CMD tar -xzf ${PKG_NAME}.tar.gz && \
     debuild && \
     cd .. && \
     rm -Rf ${PKG_NAME} ${PKG_NAME}.tar.gz && \
-    cp /build/*.deb /build/debs/
+    cp /build/*.deb /build/artifacts/

extras/packaging/gnu-linux/debian-11.Dockerfile

@@ -10,7 +10,7 @@ RUN apt-get update && \
     apt-get install -y \
         dialog apt-utils make devscripts build-essential debmake lintian \
     && apt-get clean && \
-    mkdir -p /build/debs
+    mkdir -p /build/artifacts
 
 RUN apt-get update && apt-get install -y \
         build-essential pkg-config cmake dpkg-dev gcc g++ git wget \
@@ -32,4 +32,4 @@ CMD tar -xzf ${PKG_NAME}.tar.gz && \
     debuild && \
     cd .. && \
     rm -Rf ${PKG_NAME} ${PKG_NAME}.tar.gz && \
-    cp /build/*.deb /build/debs/
+    cp /build/*.deb /build/artifacts/

extras/packaging/gnu-linux/debian-12.Dockerfile

@@ -10,7 +10,7 @@ RUN apt-get update && \
     apt-get install -y \
         dialog apt-utils make devscripts build-essential debmake lintian \
     && apt-get clean && \
-    mkdir -p /build/debs
+    mkdir -p /build/artifacts
 
 RUN apt-get update && apt-get install -y \
         build-essential pkg-config cmake dpkg-dev gcc g++ git wget \
@@ -32,4 +32,4 @@ CMD tar -xzf ${PKG_NAME}.tar.gz && \
     debuild && \
     cd .. && \
     rm -Rf ${PKG_NAME} ${PKG_NAME}.tar.gz && \
-    cp /build/*.deb /build/debs/
+    cp /build/*.deb /build/artifacts/

extras/packaging/gnu-linux/ubuntu-20.Dockerfile

@@ -10,7 +10,7 @@ RUN apt-get update && \
     apt-get install -y \
         dialog apt-utils make devscripts build-essential debmake lintian \
     && apt-get clean && \
-    mkdir -p /build/debs
+    mkdir -p /build/artifacts
 
 RUN apt-get update && apt-get install -y \
         build-essential pkg-config cmake dpkg-dev gcc g++ git wget \
@@ -35,4 +35,4 @@ CMD tar -xzf ${PKG_NAME}.tar.gz && \
     debuild && \
     cd .. && \
     rm -Rf ${PKG_NAME} ${PKG_NAME}.tar.gz && \
-    cp /build/*.deb /build/debs/
+    cp /build/*.deb /build/artifacts/

extras/packaging/gnu-linux/ubuntu-22.Dockerfile

@@ -10,7 +10,7 @@ RUN apt-get update && \
     apt-get install -y \
         dialog apt-utils make devscripts build-essential debmake lintian \
     && apt-get clean && \
-    mkdir -p /build/debs
+    mkdir -p /build/artifacts
 
 RUN apt-get update && apt-get install -y \
         build-essential pkg-config cmake dpkg-dev gcc g++ git wget \
@@ -32,4 +32,4 @@ CMD tar -xzf ${PKG_NAME}.tar.gz && \
     debuild && \
     cd .. && \
     rm -Rf ${PKG_NAME} ${PKG_NAME}.tar.gz && \
-    cp /build/*.deb /build/debs/
+    cp /build/*.deb /build/artifacts/

extras/packaging/gnu-linux/ubuntu-24.Dockerfile

@@ -10,7 +10,7 @@ RUN apt-get update && \
     apt-get install -y \
         dialog apt-utils make devscripts build-essential debmake lintian \
     && apt-get clean && \
-    mkdir -p /build/debs
+    mkdir -p /build/artifacts
 
 RUN apt-get update && apt-get install -y \
         build-essential pkg-config cmake dpkg-dev gcc g++ git wget \
@@ -32,4 +32,4 @@ CMD tar -xzf ${PKG_NAME}.tar.gz && \
     debuild && \
     cd .. && \
     rm -Rf ${PKG_NAME} ${PKG_NAME}.tar.gz && \
-    cp /build/*.deb /build/debs/
+    cp /build/*.deb /build/artifacts/