[Dev] Add Deno to Dockerfiles (#801)

* Added Deno to Dockerfiles

* Updated yt-dlp source

* Added unzip

* Update deno directory

* The ACTUAL deno install path this time. Christ, am I new here?

* Linting

docker/selfhosted.Dockerfile

@@ -94,13 +94,17 @@ RUN apt-get update -y && \
       python3 \
       pipx \
       jq \
+      # unzip is needed for Deno
+      unzip \
       procps && \
+    # Install Deno - required for YouTube downloads (See yt-dlp#14404)
+    curl -fsSL https://deno.land/install.sh | DENO_INSTALL=/usr/local sh -s -- -y --no-modify-path && \
     # Apprise
     export PIPX_HOME=/opt/pipx && \
     export PIPX_BIN_DIR=/usr/local/bin && \
     pipx install apprise && \
     # yt-dlp
-    curl -L https://github.com/yt-dlp/yt-dlp/releases/latest/download/yt-dlp -o /usr/local/bin/yt-dlp && \
+    curl -L https://github.com/yt-dlp/yt-dlp/releases/latest/download/yt-dlp_linux -o /usr/local/bin/yt-dlp && \
     chmod a+rx /usr/local/bin/yt-dlp && \
     yt-dlp -U && \
     # Set the locale